10x^2+60x+90=0

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Solution for 10x^2+60x+90=0 equation: 



10x^2+60x+90=0

a = 10; b = 60; c = +90;
Δ = b2-4ac
Δ = 602-4·10·90
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$x=\frac{-b}{2a}=\frac{-60}{20}=-3$

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