mbowers832p10p77 mbowers832p10p77
  • 20-12-2018
  • Mathematics
contestada

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)

Respuesta :

Аноним Аноним
  • 20-12-2018

Answer:

B.   (x - 6)(x + 2).

Step-by-step 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).

Answer Link
Аноним Аноним
  • 06-02-2019

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

Answer Link

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