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3/2b+90(b+45)+b(2b-90)=540
We move all terms to the left:
3/2b+90(b+45)+b(2b-90)-(540)=0
Domain of the equation: 2b!=0We multiply parentheses
b!=0/2
b!=0
b∈R
2b^2+3/2b+90b-90b+4050-540=0
We multiply all the terms by the denominator
2b^2*2b+90b*2b-90b*2b+4050*2b-540*2b+3=0
Wy multiply elements
4b^3+180b^2-180b^2+8100b-1080b+3=0
We do not support ebpression: b^3
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