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20x+15x/20(x-1)+15(x-1)=245
We move all terms to the left:
20x+15x/20(x-1)+15(x-1)-(245)=0
Domain of the equation: 20(x-1)!=0We multiply parentheses
x∈R
20x+15x/20(x-1)+15x-15-245=0
We multiply all the terms by the denominator
20x*20(x-1)+15x+15x*20(x-1)-15*20(x-1)-245*20(x-1)=0
We add all the numbers together, and all the variables
15x+20x*20(x-1)+15x*20(x-1)-15*20(x-1)-245*20(x-1)=0
Wy multiply elements
400x^2(x+300x^2(x-300x(x-4900x(x+15x=0
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