12a^2-8a=-5

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Solution for 12a^2-8a=-5 equation: 



12a^2-8a=-5

We move all terms to the left:

12a^2-8a-(-5)=0

We add all the numbers together, and all the variables

12a^2-8a+5=0

a = 12; b = -8; c = +5;
Δ = b2-4ac
Δ = -82-4·12·5
Δ = -176
Delta is less than zero, so there is no solution for the equation

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