andresp886 andresp886

18-05-2020
Mathematics

contestada

How can I factorize the next equation?
[tex]f(x)=x^4+2x^3-9x^2+18x[/tex]

Respuesta :

MathPhys MathPhys

18-05-2020

Step-by-step explanation:

Use grouping.

f(x) = x⁴ + 2x³ − 9x² + 18x

f(x) = x³ (x + 2) − 9x (x + 2)

f(x) = (x³ − 9x) (x + 2)

f(x) = x (x² − 9) (x + 2)

f(x) = x (x − 3) (x + 3) (x + 2)

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