X^2+3x-2=-3x+5

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Solution for X^2+3x-2=-3x+5 equation:



X^2+3X-2=-3X+5
We move all terms to the left:
X^2+3X-2-(-3X+5)=0
We get rid of parentheses
X^2+3X+3X-5-2=0
We add all the numbers together, and all the variables
X^2+6X-7=0
a = 1; b = 6; c = -7;
Δ = b2-4ac
Δ = 62-4·1·(-7)
Δ = 64
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$X_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$X_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{64}=8$
$X_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(6)-8}{2*1}=\frac{-14}{2} =-7 $
$X_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(6)+8}{2*1}=\frac{2}{2} =1 $

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