Question

Please sovle this question
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Answer 1

Answer:

a = 2

Step-by-step explanation:

x+1 is a factor

x = -1

now put the value of x in the equation

ax³+2x²-x+3a-7

a(-1)³+2(-1)²-(-1)+3a-7

(a×-1)+(2×1)+1+3a-7

-a+2+1+3a-7

2a+3-7

2a=7-3

a=4/2

a=2