5u^2=-7u^2

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



5u^2=-7u^2

We move all terms to the left:

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

We get rid of parentheses

5u^2+7u^2=0

We add all the numbers together, and all the variables

12u^2=0

a = 12; b = 0; c = 0;
Δ = b2-4ac
Δ = 02-4·12·0
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$u=\frac{-b}{2a}=\frac{0}{24}=0$

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