9b^2+12=-4b

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Solution for 9b^2+12=-4b equation: 



9b^2+12=-4b

We move all terms to the left:

9b^2+12-(-4b)=0

We get rid of parentheses

9b^2+4b+12=0

a = 9; b = 4; c = +12;
Δ = b2-4ac
Δ = 42-4·9·12
Δ = -416
Delta is less than zero, so there is no solution for the equation

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