(3x+2)(3x-2)=9x(x-8)

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Solution for (3x+2)(3x-2)=9x(x-8) equation:



(3x+2)(3x-2)=9x(x-8)
We move all terms to the left:
(3x+2)(3x-2)-(9x(x-8))=0
We use the square of the difference formula
9x^2-(9x(x-8))-4=0
We calculate terms in parentheses: -(9x(x-8)), so:
9x(x-8)
We multiply parentheses
9x^2-72x
Back to the equation:
-(9x^2-72x)
We get rid of parentheses
9x^2-9x^2+72x-4=0
We add all the numbers together, and all the variables
72x-4=0
We move all terms containing x to the left, all other terms to the right
72x=4
x=4/72
x=1/18

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