9a(a-3)=9a(a-3)

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Solution for 9a(a-3)=9a(a-3) equation: 



9a(a-3)=9a(a-3)

We move all terms to the left:

9a(a-3)-(9a(a-3))=0

We multiply parentheses

9a^2-27a-(9a(a-3))=0



We calculate terms in parentheses: -(9a(a-3)), so:

9a(a-3)

We multiply parentheses

9a^2-27a

Back to the equation:

-(9a^2-27a)



We get rid of parentheses

9a^2-9a^2-27a+27a=0

We add all the numbers together, and all the variables

=0

a=0/1

a=0

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