Solve the following by factoring. 12x^2 -7x -12 = 0

Question

asked Jun 26, 2019 24.0k views

1 Answer

Jeremyforan · Answer 1 · 2019-07-01T20:59:23+0000

Solution:

The given equation is

12x^2 -7x -12 = 0

Now we will factor the middle term as per the ac-method because the given equation is a quadratic equation.

$12x^2 -7x -12 = 0\\\\12x^2-16x+9x-12=0\\\\4x(3x-4)+3(3x-4)=0\\\\(3x-4)(4x+3)=0\\\\3x-4=0,or, 4x+3=0\\\\x=(4)/(3),x=(-3)/(4)\\$