Find the factors of (x2 + x - 42).1). (x + 14) (x - 3)2). (x + 6) (x - 7)3). (x - 6) (x + 7)4). (x - 14) (x + 3)
(x2 + x - 42)
⇒ x2 + 7x - 6x - 42
⇒ x(x + 7) - 6(x + 7)
⇒ (x + 7)(x - 6)
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