2 years ago

Factor the expression. x^2 – x – 42

Mathematics

1 answer:

IgorC [24]2 years ago

5 0

X^2 - x - 42 = x^2 - 6x + 7x - 42 = x( x - 6) + 7(x - 6) = (x-6)(x+7);
The correct answer is a.

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