Question

x^3-12x-16. factorize this​

Answer 1

Answer:

(x+2)(x+2)(x-4)

Step-by-step explanation:

find the first factor by hit and trial

f(x)=x^3-12x-16

f(-2)=0

thus x+2 is a factor

then divide the polynomial

refer the attachment for division

f(x)=(x+2)(x^2-2x-8)

(x+2)(x^2-4x+2x-8)

(x+2)[x(x-4)+2(x-4)]

(x+2)(x+2)(x-4)

hope it helps u

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