Question

check whether x+2 is a factor of 4x³+4x²+4x+4​

Answer 1

Step-by-step explanation:

4x³ + 4x² + 4x + 4

= 4x²(x+1) + 4x (x+1)

= (x+1)(4x²+4x)

= (x+1)4x(x+1)

= 4x(x+1)²

hence (x+2) can never be a factor.

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Answer 2

Answer:

Step-by-step explanation:

X+2=0

X=-2

Then put -2 in place of x

4(-2)³+4(-2)²+4(-2)+4=0

4(-8)+4(4)+4(-2)+4=0

-32+16-8+4=0

-40+20=0

-20=0

So,x+2 is not a factor of given polynomail