4^4+20x^2-56=0

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Solution for 4^4+20x^2-56=0 equation: 



4^4+20x^2-56=0

We add all the numbers together, and all the variables

20x^2+200=0

a = 20; b = 0; c = +200;
Δ = b2-4ac
Δ = 02-4·20·200
Δ = -16000
Delta is less than zero, so there is no solution for the equation

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