Question

what should be add to x³-5x²+5x+8 then it is completely divisible by x+2?
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Answer 1

Answer:

-x^3+5x^2-4x-6

Step-by-step explanation:

x^3-5x^2+5x+8+no.=x+2

no. =(x+2)-(x^3-5x^2+5x+8)

no. = -x^3+5x^2-4x-6

Answer 2

Answer:

x+2√x³-5x²+5x+8 = x²-3x+11

x³ -2x²

- +

______________

-3x²+5x

-3x-6x

+ +

_________________

11x+8

11x+22

- -

___________________

-14

therefore we should add -14 to be divisible by x+2

i hope is it clear to u

Step-by-step explanation:

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