p^2-7p+11=3p

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Solution for p^2-7p+11=3p equation:



p^2-7p+11=3p
We move all terms to the left:
p^2-7p+11-(3p)=0
We add all the numbers together, and all the variables
p^2-10p+11=0
a = 1; b = -10; c = +11;
Δ = b2-4ac
Δ = -102-4·1·11
Δ = 56
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:
$\sqrt{\Delta}=\sqrt{56}=\sqrt{4*14}=\sqrt{4}*\sqrt{14}=2\sqrt{14}$
$p_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(-10)-2\sqrt{14}}{2*1}=\frac{10-2\sqrt{14}}{2} $
$p_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-10)+2\sqrt{14}}{2*1}=\frac{10+2\sqrt{14}}{2} $

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