-2b(b-3)-4=18

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Solution for -2b(b-3)-4=18 equation:



-2b(b-3)-4=18
We move all terms to the left:
-2b(b-3)-4-(18)=0
We add all the numbers together, and all the variables
-2b(b-3)-22=0
We multiply parentheses
-2b^2+6b-22=0
a = -2; b = 6; c = -22;
Δ = b2-4ac
Δ = 62-4·(-2)·(-22)
Δ = -140
Delta is less than zero, so there is no solution for the equation

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