Question

the polynomials f(x)=ax^3+9x^2+4x-8 when divided by (x+3) leaves (-20) as remainder. find the value of a.

Answer 1

Answer:

given that f (x)=ax^3+9x^2+4x-8.

f (-3)=a. (-3)^3+9. (-3)^2+4.-3-8.

= -27a+81-12-8.

=-27a+61.

27a=61

a=61/27.

Answer 2

this is your answer .......

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