2p-2p^2=2-4p

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Solution for 2p-2p^2=2-4p equation:



2p-2p^2=2-4p
We move all terms to the left:
2p-2p^2-(2-4p)=0
We add all the numbers together, and all the variables
-2p^2+2p-(-4p+2)=0
We get rid of parentheses
-2p^2+2p+4p-2=0
We add all the numbers together, and all the variables
-2p^2+6p-2=0
a = -2; b = 6; c = -2;
Δ = b2-4ac
Δ = 62-4·(-2)·(-2)
Δ = 20
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:
$\sqrt{\Delta}=\sqrt{20}=\sqrt{4*5}=\sqrt{4}*\sqrt{5}=2\sqrt{5}$
$p_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(6)-2\sqrt{5}}{2*-2}=\frac{-6-2\sqrt{5}}{-4} $
$p_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(6)+2\sqrt{5}}{2*-2}=\frac{-6+2\sqrt{5}}{-4} $

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