21x+84/5x*x-40+80=-5

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Solution for 21x+84/5x*x-40+80=-5 equation: 



21x+84/5x*x-40+80=-5

We move all terms to the left:

21x+84/5x*x-40+80-(-5)=0



Domain of the equation: 5x*x!=0

x!=0/1

x!=0

x∈R



We add all the numbers together, and all the variables

21x+84/5x*x+45=0

We multiply all the terms by the denominator


21x*5x*x+45*5x*x+84=0

Wy multiply elements

105x^3*x+225x^2*x+84=0

We do not support expression: x^3

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