Solve by Substitution x^2+y^2=25 , x^2-y^2=7

Math
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Solve for in the first equation.
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Add to both sides of the equation.
Take the square root of both sides of the equation to eliminate the exponent on the left side.
The complete solution is the result of both the positive and negative portions of the solution.
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First, use the positive value of the to find the first solution.
Next, use the negative value of the to find the second solution.
The complete solution is the result of both the positive and negative portions of the solution.
Solve the system .
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Replace all occurrences of with in each equation.
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Replace all occurrences of in with .
Simplify .
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Rewrite as .
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Use to rewrite as .
Apply the power rule and multiply exponents, .
Combine and .
Cancel the common factor of .
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Cancel the common factor.
Rewrite the expression.
Simplify.
Add and .
Solve for in the first equation.
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Move all terms not containing to the right side of the equation.
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Subtract from both sides of the equation.
Subtract from .
Divide each term by and simplify.
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Divide each term in by .
Cancel the common factor of .
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Cancel the common factor.
Divide by .
Divide by .
Take the square root of both sides of the equation to eliminate the exponent on the left side.
Simplify the right side of the equation.
Tap for more steps…
Rewrite as .
Pull terms out from under the radical, assuming positive real numbers.
The complete solution is the result of both the positive and negative portions of the solution.
Tap for more steps…
First, use the positive value of the to find the first solution.
Next, use the negative value of the to find the second solution.
The complete solution is the result of both the positive and negative portions of the solution.
Replace all occurrences of with in each equation.
Tap for more steps…
Replace all occurrences of in with .
Simplify .
Tap for more steps…
Raise to the power of .
Add and .
Rewrite as .
Pull terms out from under the radical, assuming positive real numbers.
Replace all occurrences of with in each equation.
Tap for more steps…
Replace all occurrences of in with .
Simplify .
Tap for more steps…
Raise to the power of .
Add and .
Rewrite as .
Pull terms out from under the radical, assuming positive real numbers.
Solve the system .
Tap for more steps…
Replace all occurrences of with in each equation.
Tap for more steps…
Replace all occurrences of in with .
Simplify .
Tap for more steps…
Simplify each term.
Tap for more steps…
Apply the product rule to .
Raise to the power of .
Multiply by .
Rewrite as .
Tap for more steps…
Use to rewrite as .
Apply the power rule and multiply exponents, .
Combine and .
Cancel the common factor of .
Tap for more steps…
Cancel the common factor.
Rewrite the expression.
Simplify.
Add and .
Solve for in the first equation.
Tap for more steps…
Move all terms not containing to the right side of the equation.
Tap for more steps…
Subtract from both sides of the equation.
Subtract from .
Divide each term by and simplify.
Tap for more steps…
Divide each term in by .
Cancel the common factor of .
Tap for more steps…
Cancel the common factor.
Divide by .
Divide by .
Take the square root of both sides of the equation to eliminate the exponent on the left side.
Simplify the right side of the equation.
Tap for more steps…
Rewrite as .
Pull terms out from under the radical, assuming positive real numbers.
The complete solution is the result of both the positive and negative portions of the solution.
Tap for more steps…
First, use the positive value of the to find the first solution.
Next, use the negative value of the to find the second solution.
The complete solution is the result of both the positive and negative portions of the solution.
Replace all occurrences of with in each equation.
Tap for more steps…
Replace all occurrences of in with .
Simplify .
Tap for more steps…
Raise to the power of .
Add and .
Rewrite as .
Pull terms out from under the radical, assuming positive real numbers.
Multiply by .
Replace all occurrences of with in each equation.
Tap for more steps…
Replace all occurrences of in with .
Simplify .
Tap for more steps…
Raise to the power of .
Add and .
Rewrite as .
Pull terms out from under the radical, assuming positive real numbers.
Multiply by .
The solution to the system is the complete set of ordered pairs that are valid solutions.
The result can be shown in multiple forms.
Point Form:
Equation Form:
Solve by Substitution x^2+y^2=25 , x^2-y^2=7


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