4(X-8)^2+X^2=X(X+118)-46X

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1 Answer

4(x-8)2+x2=x(x+118)-46x

=> 4(x2-16x+64)+x2=x2+118x-46x

=> 4x2-64x+256+x2=x2+72x

=> 5x2-64x+256-x2-72x=0

=> 4x2-136x+25=0

=> x2-34x+64=0

=> (x-2)(x-32)=0

=> x=2 or 32

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