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Which expression is the factorization of x2 + 10x + 21? A) (x + 3)(x + 7) B) x + 4)(x + 6) C) (x + 6)(x + 15) D) (x + 7)(x + 14)

Which expression is the factorization of x2 + 10x + 21? A) (x + 3)(x + 7) B) x + 4)(x + 6) C) (x + 6)(x + 15) D) (x + 7)(x + 14)
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2 votes
Which expression is the factorization of x2 + 10x + 21?

A) (x + 3)(x + 7)
B) x + 4)(x + 6)
C) (x + 6)(x + 15)
D) (x + 7)(x + 14)

asked
User Archimaredes
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2 Answers

3 votes
its choice A because when you distribute or foil you will get x2 + 10x + 21
answered
User Fervus
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8.1k points
2 votes
the answer is A
hoped this helped!
answered
User Garth Mason
by
7.7k points
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