-9b^2-7b-11=-4

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Solution for -9b^2-7b-11=-4 equation: 



-9b^2-7b-11=-4

We move all terms to the left:

-9b^2-7b-11-(-4)=0

We add all the numbers together, and all the variables

-9b^2-7b-7=0

a = -9; b = -7; c = -7;
Δ = b2-4ac
Δ = -72-4·(-9)·(-7)
Δ = -203
Delta is less than zero, so there is no solution for the equation

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