x+7=-90/x

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Solution for x+7=-90/x equation: 



x+7=-90/x

We move all terms to the left:

x+7-(-90/x)=0



Domain of the equation: x)!=0

x!=0/1

x!=0

x∈R



We get rid of parentheses

x+90/x+7=0

We multiply all the terms by the denominator


x*x+7*x+90=0

We add all the numbers together, and all the variables

7x+x*x+90=0

Wy multiply elements

x^2+7x+90=0

a = 1; b = 7; c = +90;
Δ = b2-4ac
Δ = 72-4·1·90
Δ = -311
Delta is less than zero, so there is no solution for the equation

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