5=-4x2

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Solution for 5=-4x2 equation: 



5=-4x^2

We move all terms to the left:

5-(-4x^2)=0

We get rid of parentheses

4x^2+5=0

a = 4; b = 0; c = +5;
Δ = b2-4ac
Δ = 02-4·4·5
Δ = -80
Delta is less than zero, so there is no solution for the equation

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