5x^2+12x=-72/10

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Solution for 5x^2+12x=-72/10 equation: 



5x^2+12x=-72/10

We move all terms to the left:

5x^2+12x-(-72/10)=0

We get rid of parentheses

5x^2+12x+72/10=0

We multiply all the terms by the denominator


5x^2*10+12x*10+72=0

Wy multiply elements

50x^2+120x+72=0

a = 50; b = 120; c = +72;
Δ = b2-4ac
Δ = 1202-4·50·72
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$x=\frac{-b}{2a}=\frac{-120}{100}=-1+1/5$

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