3(x^2+5)=12x

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



3(x^2+5)=12x

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We multiply parentheses

3x^2-12x+15=0

a = 3; b = -12; c = +15;
Δ = b2-4ac
Δ = -122-4·3·15
Δ = -36
Delta is less than zero, so there is no solution for the equation

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