4a^2-12a=-15

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Solution for 4a^2-12a=-15 equation: 



4a^2-12a=-15

We move all terms to the left:

4a^2-12a-(-15)=0

We add all the numbers together, and all the variables

4a^2-12a+15=0

a = 4; b = -12; c = +15;
Δ = b2-4ac
Δ = -122-4·4·15
Δ = -96
Delta is less than zero, so there is no solution for the equation

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