15-4x(x-2)=27

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Solution for 15-4x(x-2)=27 equation: 



15-4x(x-2)=27

We move all terms to the left:

15-4x(x-2)-(27)=0

We add all the numbers together, and all the variables

-4x(x-2)-12=0

We multiply parentheses

-4x^2+8x-12=0

a = -4; b = 8; c = -12;
Δ = b2-4ac
Δ = 82-4·(-4)·(-12)
Δ = -128
Delta is less than zero, so there is no solution for the equation

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