X2.16x+63=(x-7)(x-9)

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Solution for X2.16x+63=(x-7)(x-9) equation: 



X2.16X+63=(X-7)(X-9)

We move all terms to the left:

X2.16X+63-((X-7)(X-9))=0

We multiply parentheses ..

-((+X^2-9X-7X+63))+X2.16X+63=0



We calculate terms in parentheses: -((+X^2-9X-7X+63)), so:

(+X^2-9X-7X+63)

We get rid of parentheses

X^2-9X-7X+63

We add all the numbers together, and all the variables

X^2-16X+63

Back to the equation:

-(X^2-16X+63)



We get rid of parentheses

-X^2+16X+X2.16X-63+63=0

We add all the numbers together, and all the variables

-1X^2+16X+X2.16X=0

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