-3x(2x-5)+3x+12=63

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Solution for -3x(2x-5)+3x+12=63 equation: 



-3x(2x-5)+3x+12=63

We move all terms to the left:

-3x(2x-5)+3x+12-(63)=0

We add all the numbers together, and all the variables

3x-3x(2x-5)-51=0

We multiply parentheses

-6x^2+3x+15x-51=0

We add all the numbers together, and all the variables

-6x^2+18x-51=0

a = -6; b = 18; c = -51;
Δ = b2-4ac
Δ = 182-4·(-6)·(-51)
Δ = -900
Delta is less than zero, so there is no solution for the equation

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