P(x)=x^2+2x+7

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Solution for P(x)=x^2+2x+7 equation: 



(P)=P^2+2P+7

We move all terms to the left:

(P)-(P^2+2P+7)=0

We get rid of parentheses

-P^2+P-2P-7=0

We add all the numbers together, and all the variables

-1P^2-1P-7=0

a = -1; b = -1; c = -7;
Δ = b2-4ac
Δ = -12-4·(-1)·(-7)
Δ = -27
Delta is less than zero, so there is no solution for the equation

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