5/2u=-7u

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Solution for 5/2u=-7u equation: 



5/2u=-7u

We move all terms to the left:

5/2u-(-7u)=0



Domain of the equation: 2u!=0

u!=0/2

u!=0

u∈R



We get rid of parentheses

5/2u+7u=0

We multiply all the terms by the denominator


7u*2u+5=0

Wy multiply elements

14u^2+5=0

a = 14; b = 0; c = +5;
Δ = b2-4ac
Δ = 02-4·14·5
Δ = -280
Delta is less than zero, so there is no solution for the equation

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