8x(2x-3)=-8x

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Solution for 8x(2x-3)=-8x equation:



8x(2x-3)=-8x
We move all terms to the left:
8x(2x-3)-(-8x)=0
We multiply parentheses
16x^2-24x-(-8x)=0
We get rid of parentheses
16x^2-24x+8x=0
We add all the numbers together, and all the variables
16x^2-16x=0
a = 16; b = -16; c = 0;
Δ = b2-4ac
Δ = -162-4·16·0
Δ = 256
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{256}=16$
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(-16)-16}{2*16}=\frac{0}{32} =0 $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-16)+16}{2*16}=\frac{32}{32} =1 $

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