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Factor the expression completely.

-5x^(4)-9x^(3)
Answer:

Factor the expression completely. $\newline$ $-5 x^{4}-9 x^{3}$ $\newline$ Answer:

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Evaluate rational exponents

Full solution

Q. Factor the expression completely.

\newline

-5 x^{4}-9 x^{3}

\newline

Answer:

Identify GCF: Identify the greatest common factor (GCF) of the terms in the expression $-5x^{4}$ and $-9x^{3}$ . The GCF of $-5x^{4}$ and $-9x^{3}$ is $-x^{3}$ , since both terms have $x$ raised to at least the third power and the coefficients $5$ and $9$ share a negative sign.
Factor out GCF: Factor out the GCF from each term in the expression. $-5x^{4}-9x^{3} = -x^{3}(5x) - x^{3}(9)$
Combine factored terms: Combine the factored terms into a single expression. $\newline$ $-5x^{4}-9x^{3} = -x^{3}(5x + 9)$

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