a(a-1)=a2+3

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Solution for a(a-1)=a2+3 equation: 



a(a-1)=a2+3

We move all terms to the left:

a(a-1)-(a2+3)=0

We add all the numbers together, and all the variables

-(+a^2+3)+a(a-1)=0

We multiply parentheses

-(+a^2+3)+a^2-1a=0

We get rid of parentheses

-a^2+a^2-1a-3=0

We add all the numbers together, and all the variables

-1a-3=0

We move all terms containing a to the left, all other terms to the right

-a=3

a=3/-1

a=-3

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