70.4k views
0 votes
Please help!

Factor the expression x2 − 4x − 12.

A.
(x − 6)(x − 2)

B.
(x − 6)(x + 2)

C.
(x − 4)(x − 3)

D.
(x − 4)(x + 3)

User Jwhitlock
by
8.0k points

2 Answers

5 votes

Answer: I know its not up there. When I did that I got (x+6)(x-2)

User Pravallika KV
by
8.0k points
2 votes

Answer:

B. (x - 6)(x + 2).

Explanation:

x^2 - 4x - 12

We need 2 numbers whose product is the last number -12 and whose sum is the coefficient of x (-4).

These numbers are -6 and + 2.

So the factors are (x - 6)(x + 2).

User Yanjost
by
8.2k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories