X2-32=-4x

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Solution for X2-32=-4x equation:



X2-32=-4X
We move all terms to the left:
X2-32-(-4X)=0
We add all the numbers together, and all the variables
X^2-(-4X)-32=0
We get rid of parentheses
X^2+4X-32=0
a = 1; b = 4; c = -32;
Δ = b2-4ac
Δ = 42-4·1·(-32)
Δ = 144
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$X_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$X_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{144}=12$
$X_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(4)-12}{2*1}=\frac{-16}{2} =-8 $
$X_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(4)+12}{2*1}=\frac{8}{2} =4 $

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