4a2-5=-13

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Solution for 4a2-5=-13 equation: 



4a^2-5=-13

We move all terms to the left:

4a^2-5-(-13)=0

We add all the numbers together, and all the variables

4a^2+8=0

a = 4; b = 0; c = +8;
Δ = b2-4ac
Δ = 02-4·4·8
Δ = -128
Delta is less than zero, so there is no solution for the equation

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