X^2 - x - 42 = x^2 - 6x + 7x - 42 = x( x - 6) + 7(x - 6) = (x-6)(x+7); The correct answer is a.
Answer from: Quest
step-by-step explanation:
this is not a question
Answer from: Quest
I’m a smart person so that’s why i think it was 6
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