2x(x-5)=5x-11x

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Solution for 2x(x-5)=5x-11x equation:



2x(x-5)=5x-11x
We move all terms to the left:
2x(x-5)-(5x-11x)=0
We add all the numbers together, and all the variables
2x(x-5)-(-6x)=0
We multiply parentheses
2x^2-10x-(-6x)=0
We get rid of parentheses
2x^2-10x+6x=0
We add all the numbers together, and all the variables
2x^2-4x=0
a = 2; b = -4; c = 0;
Δ = b2-4ac
Δ = -42-4·2·0
Δ = 16
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{16}=4$
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(-4)-4}{2*2}=\frac{0}{4} =0 $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-4)+4}{2*2}=\frac{8}{4} =2 $

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