Question

x^3+x^2-4x-4
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Answer 1

Step-by-step explanation:

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Answer 2

Answer:

( − 2 ) ( + 1) ( + 2 )

Step-by-step explanation:

Let x+1 =0

=> x= -1

On substituting value of x in the expression

   => f(-1) = $(-1)^{3}+(-1)^{2}- 4*(-1) -4\\=> (-1) +1+4-4\\=> 0$

Clearly (x+1) is a factor

f(x) = $x^{3}+x^{2} -4x-4$

Therefore, f(x) =  (x+1)$(x^{2} -4)$

=> f(x) = (x-2) (x+1) (x+2)