(3.5x^2+2x)(3x)=0

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Solution for (3.5x^2+2x)(3x)=0 equation: 



(3.5x^2+2x)(3x)=0

We multiply parentheses

9x^2+6x^2=0

We add all the numbers together, and all the variables

15x^2=0

a = 15; b = 0; c = 0;
Δ = b2-4ac
Δ = 02-4·15·0
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$x=\frac{-b}{2a}=\frac{0}{30}=0$

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