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9(a-1)^2+3(a-1)-2=0
We multiply parentheses
9(a-1)^2+3a-3-2=0
We add all the numbers together, and all the variables
3a+9(a-1)^2-5=0
We move all terms containing a to the left, all other terms to the right
3a+9(a-1)^2=5
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