11p^2=-4p+8

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Solution for 11p^2=-4p+8 equation:



11p^2=-4p+8
We move all terms to the left:
11p^2-(-4p+8)=0
We get rid of parentheses
11p^2+4p-8=0
a = 11; b = 4; c = -8;
Δ = b2-4ac
Δ = 42-4·11·(-8)
Δ = 368
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:
$\sqrt{\Delta}=\sqrt{368}=\sqrt{16*23}=\sqrt{16}*\sqrt{23}=4\sqrt{23}$
$p_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(4)-4\sqrt{23}}{2*11}=\frac{-4-4\sqrt{23}}{22} $
$p_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(4)+4\sqrt{23}}{2*11}=\frac{-4+4\sqrt{23}}{22} $

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