a(a-12)=a2-12a

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Solution for a(a-12)=a2-12a equation:



a(a-12)=a2-12a
We move all terms to the left:
a(a-12)-(a2-12a)=0
We add all the numbers together, and all the variables
-(+a^2-12a)+a(a-12)=0
We multiply parentheses
-(+a^2-12a)+a^2-12a=0
We get rid of parentheses
-a^2+a^2+12a-12a=0
We add all the numbers together, and all the variables
=0
a=0/1
a=0

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