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3/2b+b(2b-90)+(b+45)+90=540
We move all terms to the left:
3/2b+b(2b-90)+(b+45)+90-(540)=0
Domain of the equation: 2b!=0We add all the numbers together, and all the variables
b!=0/2
b!=0
b∈R
3/2b+b(2b-90)+(b+45)-450=0
We multiply parentheses
2b^2+3/2b-90b+(b+45)-450=0
We get rid of parentheses
2b^2+3/2b-90b+b+45-450=0
We multiply all the terms by the denominator
2b^2*2b-90b*2b+b*2b+45*2b-450*2b+3=0
Wy multiply elements
4b^3-180b^2+2b^2+90b-900b+3=0
We do not support ebpression: b^3
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