x^2+2x+21=2

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Solution for x^2+2x+21=2 equation: 



x^2+2x+21=2

We move all terms to the left:

x^2+2x+21-(2)=0

We add all the numbers together, and all the variables

x^2+2x+19=0

a = 1; b = 2; c = +19;
Δ = b2-4ac
Δ = 22-4·1·19
Δ = -72
Delta is less than zero, so there is no solution for the equation

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