X-x^2=420

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Solution for X-x^2=420 equation: 



X-X^2=420

We move all terms to the left:

X-X^2-(420)=0

We add all the numbers together, and all the variables

-1X^2+X-420=0

a = -1; b = 1; c = -420;
Δ = b2-4ac
Δ = 12-4·(-1)·(-420)
Δ = -1679
Delta is less than zero, so there is no solution for the equation

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