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90+x+x3/2+(x+45)+(2x-90)=540
We move all terms to the left:
90+x+x3/2+(x+45)+(2x-90)-(540)=0
We add all the numbers together, and all the variables
x+x3/2+(x+45)+(2x-90)-450=0
We get rid of parentheses
x+x3/2+x+2x+45-90-450=0
We multiply all the terms by the denominator
x*2+x3+x*2+2x*2+45*2-90*2-450*2=0
We add all the numbers together, and all the variables
x^3+x*2+x*2+2x*2-990=0
Wy multiply elements
x^3+2x+2x+4x-990=0
We do not support expression: x^3
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