Please sovle this question
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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
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