3(x2-1)=4x-9

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Solution for 3(x2-1)=4x-9 equation: 



3(x2-1)=4x-9

We move all terms to the left:

3(x2-1)-(4x-9)=0

We add all the numbers together, and all the variables

3(+x^2-1)-(4x-9)=0

We multiply parentheses

3x^2-(4x-9)-3=0

We get rid of parentheses

3x^2-4x+9-3=0

We add all the numbers together, and all the variables

3x^2-4x+6=0

a = 3; b = -4; c = +6;
Δ = b2-4ac
Δ = -42-4·3·6
Δ = -56
Delta is less than zero, so there is no solution for the equation

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