4a^2-3=-12

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Solution for 4a^2-3=-12 equation: 



4a^2-3=-12

We move all terms to the left:

4a^2-3-(-12)=0

We add all the numbers together, and all the variables

4a^2+9=0

a = 4; b = 0; c = +9;
Δ = b2-4ac
Δ = 02-4·4·9
Δ = -144
Delta is less than zero, so there is no solution for the equation

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