-2x^2+4=86

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Solution for -2x^2+4=86 equation: 



-2x^2+4=86

We move all terms to the left:

-2x^2+4-(86)=0

We add all the numbers together, and all the variables

-2x^2-82=0

a = -2; b = 0; c = -82;
Δ = b2-4ac
Δ = 02-4·(-2)·(-82)
Δ = -656
Delta is less than zero, so there is no solution for the equation

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