Question

if (x-a) is a factor of (x^3+ax^2-2x+a+4) find value of a.​

Answer 1

Answer:

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Answer 2

Answer:

here ( x-a) is a factor

so , x-a =0

-a=0-x

-a= -x

negative sign will be cancelled in next line show the value of a is equals to X

airport the value of a in the expression

(x3 +ax2-2x+a+4)

so answer will be

(x3+2x2-2x-x+4)