Question

When completely factored x²-x-12 is equivalent to which of the following

Answer 1

Answer:

$→{x}^{2} - x - 12 \\ = {x}^{2} - 4x + 3x - 12 \\ = x(x - 4) + 3(x - 4) \\ = \boxed{ (x - 4)(x + 3)}✓$

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