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15/x+9x-7/x^+2=9
We move all terms to the left:
15/x+9x-7/x^+2-(9)=0
Domain of the equation: x!=0
x∈R
Domain of the equation: x^!=0We add all the numbers together, and all the variables
x!=0/1
x!=0
x∈R
9x+15/x-7/x^-7=0
We calculate fractions
9x+15x/x^2+(-7x)/x^2-7=0
We multiply all the terms by the denominator
9x*x^2+15x+(-7x)-7*x^2=0
We add all the numbers together, and all the variables
-7x^2+15x+9x*x^2+(-7x)=0
Wy multiply elements
-7x^2+9x^3+15x+(-7x)=0
We get rid of parentheses
-7x^2+9x^3+15x-7x=0
We do not support expression: x^3
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