X=7y^2/y

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Solution for X=7y^2/y equation: 



X=7X^2/X

We move all terms to the left:

X-(7X^2/X)=0



Domain of the equation: X)!=0

X!=0/1

X!=0

X∈R



We get rid of parentheses

-7X^2/X+X=0

We multiply all the terms by the denominator


-7X^2+X*X=0

Wy multiply elements

-7X^2+X^2=0

We add all the numbers together, and all the variables

-6X^2=0

a = -6; b = 0; c = 0;
Δ = b2-4ac
Δ = 02-4·(-6)·0
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$X=\frac{-b}{2a}=\frac{0}{-12}=0$

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