Replace with .

To find the roots of the equation, replace with and solve.

Rewrite the equation as .

Consider the form . Find a pair of integers whose product is and whose sum is . In this case, whose product is and whose sum is .

Write the factored form using these integers.

Set the factor equal to .

Subtract from both sides of the equation.

Set the factor equal to .

Subtract from both sides of the equation.

The solution is the result of and .

Find the Roots (Zeros) f(x)=x^2+6x+8