13x-2(3x+6)6x+12=42

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Solution for 13x-2(3x+6)6x+12=42 equation: 



13x-2(3x+6)6x+12=42

We move all terms to the left:

13x-2(3x+6)6x+12-(42)=0

We add all the numbers together, and all the variables

13x-2(3x+6)6x-30=0

We multiply parentheses

-36x^2+13x-72x-30=0

We add all the numbers together, and all the variables

-36x^2-59x-30=0

a = -36; b = -59; c = -30;
Δ = b2-4ac
Δ = -592-4·(-36)·(-30)
Δ = -839
Delta is less than zero, so there is no solution for the equation

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