alleryWhat is the greatest common divisor of x^2 + 7x + 6 and x^2 - 5x - 6?
Ax - 6
Bx + 6
Cx - 1
Dx + 1
Answer & Solution
Correct answer: D. x + 1
Factoring both quadratics gives (x + 1)(x + 6) and (x + 1)(x - 6), so their common factor is x + 1.
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