A (x+6)(x-7)
B (x-6)(x-7)
C (x-6)(x+7)
D (x+6)(x+7)
Correct Answer: Option A
x2-x - 42
⇒ x2 -7x + 6x42
⇒ x(x - 7) + 6 (x-7)
⇒(x-7)(x+6)
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