-2-2p^2=-38

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Solution for -2-2p^2=-38 equation:



-2-2p^2=-38
We move all terms to the left:
-2-2p^2-(-38)=0
We add all the numbers together, and all the variables
-2p^2+36=0
a = -2; b = 0; c = +36;
Δ = b2-4ac
Δ = 02-4·(-2)·36
Δ = 288
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$p_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$p_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

The end solution:
$\sqrt{\Delta}=\sqrt{288}=\sqrt{144*2}=\sqrt{144}*\sqrt{2}=12\sqrt{2}$
$p_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(0)-12\sqrt{2}}{2*-2}=\frac{0-12\sqrt{2}}{-4} =-\frac{12\sqrt{2}}{-4} =-\frac{3\sqrt{2}}{-1} $
$p_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(0)+12\sqrt{2}}{2*-2}=\frac{0+12\sqrt{2}}{-4} =\frac{12\sqrt{2}}{-4} =\frac{3\sqrt{2}}{-1} $

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