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(3x)(x+10)=(4x+5x)(2x-4)/2
We move all terms to the left:
(3x)(x+10)-((4x+5x)(2x-4)/2)=0
We add all the numbers together, and all the variables
3x(x+10)-((+9x)(2x-4)/2)=0
We multiply parentheses
3x^2+30x-((+9x)(2x-4)/2)=0
We multiply parentheses ..
3x^2-((+18x^2-36x)/2)+30x=0
We multiply all the terms by the denominator
3x^2*2)-((+18x^2-36x)+30x*2)=0
Wy multiply elements
6x^3+60x^2=0
We do not support expression: x^3
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