Factoring Quadratic Equation -12x^2 + 20x - 8

G

Guest

Guest
how do i solve this quadratic equation:

-12x^2 + 20x - 8

-12x(squared)+20x-8

I have to factor for the two x's

i don't know how to factor very well and i was hoping someone could help me please!! :cry:
 
First, you need an equation.

Perhaps: -12x^2 + 20x - 8 = 0

Second, ALWAYS remove common factors.

-4*(3x^2 - 5x + 2) = 0

Third, try to factor it. This one has very few possibilities. It MUST be this:

-4*(3x _____)(x ______) = 0

Staring at it a little longer, one sees that it MUST be this:

-4*(3x - __)(x - __) = 0

Just a little more pondering provides:

-4*(3x - 2)(x - 1) = 0

Fourth, if you give up, you can ALWAYS use the Quadratic Formula.
 
Top