(-9x+7)(-7x+9)=(-9x+7)(-7x+9)

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Solution for (-9x+7)(-7x+9)=(-9x+7)(-7x+9) equation: 



(-9x+7)(-7x+9)=(-9x+7)(-7x+9)

We move all terms to the left:

(-9x+7)(-7x+9)-((-9x+7)(-7x+9))=0

We multiply parentheses ..

(+63x^2-81x-49x+63)-((+63x^2-81x-49x+63))=0



We calculate terms in parentheses: -((+63x^2-81x-49x+63)), so:

(+63x^2-81x-49x+63)

We get rid of parentheses

63x^2-81x-49x+63

We add all the numbers together, and all the variables

63x^2-130x+63

Back to the equation:

-(63x^2-130x+63)



We get rid of parentheses

63x^2-63x^2-81x-49x+130x+63-63=0

We add all the numbers together, and all the variables

=0

x=0/1

x=0

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