Question

if x+3 is one of the factors x^3+2x^2-ax-18,then à=___​

Answer 1

QUESTION:-

if x+3 is one of the factors x^3+2x^2-ax-18,then a=___

SOLUTION:-

x+3=0

x=-3

p(x)=p(-3)

(-3)³+2×(-3)²-a×(-3)-18=0

-27+18+3a-18=0

3a=-27

a=$\frac{-27}{3}$

a=-9

${BE \: BRAINLY}$

Answer 2

Answer:

0

Explanation:

yes this is right

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