-2d(4d-1)=42

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Solution for -2d(4d-1)=42 equation: 



-2d(4d-1)=42

We move all terms to the left:

-2d(4d-1)-(42)=0

We multiply parentheses

-8d^2+2d-42=0

a = -8; b = 2; c = -42;
Δ = b2-4ac
Δ = 22-4·(-8)·(-42)
Δ = -1340
Delta is less than zero, so there is no solution for the equation

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