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Combining like terms $\left(x^3+8x^2+16x\right)\left(x+4\right)$ and $\left(x^3+8x^2+16x\right)\left(x+4\right)$
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$2\left(x^3+8x^2+16x\right)\left(x+4\right)$
Learn how to solve factor problems step by step online. Factor the expression (x^3+8x^216x)(x+4)+(x^3+8x^216x)(x+4). Combining like terms \left(x^3+8x^2+16x\right)\left(x+4\right) and \left(x^3+8x^2+16x\right)\left(x+4\right). We can factor the polynomial \left(x^3+8x^2+16x\right) using the rational root theorem, which guarantees that for a polynomial of the form a_nx^n+a_{n-1}x^{n-1}+\dots+a_0 there is a rational root of the form \pm\frac{p}{q}, where p belongs to the divisors of the constant term a_0, and q belongs to the divisors of the leading coefficient a_n. List all divisors p of the constant term a_0, which equals 0. Next, list all divisors of the leading coefficient a_n, which equals 1. The possible roots \pm\frac{p}{q} of the polynomial \left(x^3+8x^2+16x\right) will then be.