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We can factor the polynomial $\left(x^6+3x^3-4x\right)$ 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 $0$
Impara online a risolvere i problemi di espressioni algebriche passo dopo passo.
$1$
Impara online a risolvere i problemi di espressioni algebriche passo dopo passo. f(x)=(2x+2)(x^6+3x^3-4x). We can factor the polynomial \left(x^6+3x^3-4x\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^6+3x^3-4x\right) will then be. We can factor the polynomial \left(x^6+3x^3-4x\right) using synthetic division (Ruffini's rule). We found that 1 is a root of the polynomial.
