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2x^2-16x+30=2(x-3)(x-5)
We move all terms to the left:
2x^2-16x+30-(2(x-3)(x-5))=0
We multiply parentheses ..
2x^2-(2(+x^2-5x-3x+15))-16x+30=0
We calculate terms in parentheses: -(2(+x^2-5x-3x+15)), so:We add all the numbers together, and all the variables
2(+x^2-5x-3x+15)
We multiply parentheses
2x^2-10x-6x+30
We add all the numbers together, and all the variables
2x^2-16x+30
Back to the equation:
-(2x^2-16x+30)
2x^2-16x-(2x^2-16x+30)+30=0
We get rid of parentheses
2x^2-2x^2-16x+16x-30+30=0
We add all the numbers together, and all the variables
=0
x=0/1
x=0
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