Which is a factor of x^2+ x - 12?

Question

asked May 27, 2022 80.1k views

2 Answers

Thinhbk · Answer 1 · 2022-05-30T05:10:40+0000

What two numbers when multiplied yield -12 but when added produce the coefficient of the middle term x?

How about 4 times -3?

Look: 4(-3) = -12, but when added give you 1.

(x - 3) (x + 4)

Done!

TGasdf · Answer 2 · 2022-06-01T18:47:57+0000

Answer:

(x+4) and (x-3)

Explanation:

Find two numbers that add to be the second term and multiply to be the third In this case, those two numbers are 4 and -3