15x2-60x=0

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Solution for 15x2-60x=0 equation:



15x^2-60x=0
a = 15; b = -60; c = 0;
Δ = b2-4ac
Δ = -602-4·15·0
Δ = 3600
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{3600}=60$
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(-60)-60}{2*15}=\frac{0}{30} =0 $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-60)+60}{2*15}=\frac{120}{30} =4 $

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