# Determine if a Polynomial (x+3x^4-21x^2)/(x^3) A polynomial is a combination of terms separated using or signs. Polynomials cannot contain any of the following:
1. Variables raised to a negative or fractional exponent. (,,).
2. Variables in the denominator. (,,).
3. Variables under a radical. (,,).
4. Special features. (trig functions, absolute values, logarithms, ).
Simplify the expression.
Simplify the numerator.
Factor out of .
Raise to the power of .
Factor out of .
Factor out of .
Factor out of .
Factor out of .
Factor out of .
Reorder terms.
Cancel the common factors.
Factor out of .
Cancel the common factor.
Rewrite the expression.
Determine if the expression breaks any of the rules.
Breaks rule
Determine if the expression is a polynomial.
Not a polynomial
Determine if a Polynomial (x+3x^4-21x^2)/(x^3)

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