Question

Please help me factor this and show steps please.
12x^2-4x-40

Answer 1

4(x-2)(3x+5)

Answer 2

?????? i dont see their replys? where did they go? O.o

Answer 3

you cant see with that big eye of your? lol

Answer 4

edge, this one is harder than the other two you helped me with :/

Answer 5

Multiply -40 by 12 to get -480. Factors of -480 that add to -4 are -24 and 20.

12x^2 -24x +20x -40

Divide 12x^2 -24x by 12x, and 20x-40 by 20.
12x(x-2)+20(x-2)

(12x+20)(x-2)

The first term isn't fully simplified, so divide it by 4,
4(3x+5)(x-2)

Answer 6

there was like three ppl replyng and than they didnt show on the screen

Answer 7

Thank you ! :D