12(-4/5)(x+15)=4

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Solution for 12(-4/5)(x+15)=4 equation: 



12(-4/5)(x+15)=4

We move all terms to the left:

12(-4/5)(x+15)-(4)=0



Domain of the equation: 5)(x+15)!=0

x∈R



We multiply parentheses ..

12(-4x^2-4/5*15)-4=0

We multiply all the terms by the denominator


12(-4x^2-4-4*5*15)=0

We multiply parentheses

-48x^2-48-3600=0

We add all the numbers together, and all the variables

-48x^2-3648=0

a = -48; b = 0; c = -3648;
Δ = b2-4ac
Δ = 02-4·(-48)·(-3648)
Δ = -700416
Delta is less than zero, so there is no solution for the equation

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