Question

find the x int for 4x^2+24x-24

Answer 1

4x^2+24x-24 = 0 [set equation equal to zero]
x^2+6x-6 = 0 [divide both sides by 4]
a = 1, b = 6, c = -6
Use quadratic formula

Answer 2

\[x = -3 \pm \sqrt{15}\]

Answer 3

so if you cannot factor the middle term you have to use quadratic?

Answer 4

Yes, if you cannot factor, you must use the quadratic formula (or complete the square).

Answer 5

thanks