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(13x+4)(13x+4)=(13x+4)(13x+4)
We move all terms to the left:
(13x+4)(13x+4)-((13x+4)(13x+4))=0
We multiply parentheses ..
(+169x^2+52x+52x+16)-((+169x^2+52x+52x+16))=0
We calculate terms in parentheses: -((+169x^2+52x+52x+16)), so:We get rid of parentheses
(+169x^2+52x+52x+16)
We get rid of parentheses
169x^2+52x+52x+16
We add all the numbers together, and all the variables
169x^2+104x+16
Back to the equation:
-(169x^2+104x+16)
169x^2-169x^2+52x+52x-104x+16-16=0
We add all the numbers together, and all the variables
=0
x=0/1
x=0
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