(a-2) (a+1) = (a-3) (a+4)
Answers
Answered by
1
Answer:
a²+a-2a-2= a²+4a-3a-12
2a=10
a=5
Answered by
1
Answer:
answer is 5.
Step-by-step explanation:
(a-2)(a+1)=(a-3)(a+4)
a(a+1)-2(a+1)=a(a+4)-3(a+4)
a^2+a-2a-2=a^2+4a-3a-12
a^2-a-2=a^2+a-12
a^2-a-2-a^2-a+12=0
-2a+10=0
-2a=-10
a=10/2
a=5
I hope this may help you
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