Question

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Find a, if (x+3) is a factor of this polynomial ax³+9x²+4x-14

Answer 1

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Refer to the attachment ❤️

Answer 2

Good afternoon.

(X+3=0)

X= - 3

Put the value of x

a×-27 + 9×9 +4×-3 - 14=0

-27a +81-12-14=0

if (x+3) is a factor of this polynomial so value of this polynomial after putting the value of x is 0

-27a +55=0

-27a =- 55

a = 55/27