jonesaudrey028 jonesaudrey028

07-09-2021
Mathematics

contestada

When completely factored x²-x-12 is equivalent to which of the following
A. (x+4)(x+3)
B. (x-12)(x+1)
C. (x-6)(x+2)
D. (x-4)(x+3)

Respuesta :

manissaha129 manissaha129

11-09-2021

Answer:

[tex] →{x}^{2} - x - 12 \\ = {x}^{2} - 4x + 3x - 12 \\ = x(x - 4) + 3(x - 4) \\ = \boxed{ (x - 4)(x + 3)}✓[/tex]

D. (x - 4)(x + 3) is the right answer.

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