(a+1) (2a-1) -(3a-1) (a+3) full solution send kro plz chapter algebraic
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a(2a-1)+1(2a-1))-3a(a+3)-1(a+3)
(2a2+a-1)-(3a2+8a-3)
2a2+a-1-3a2-8a+3
-a2-7a+2
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Answer:a^2+7a-2=0
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