(-3x)(5x)=

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Solution for (-3x)(5x)= equation: 



(-3x)(5x)=

We move all terms to the left:

(-3x)(5x)-()=0

We add all the numbers together, and all the variables

(-3x)5x=0

We multiply parentheses

-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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