Which expression is the factorization of x2 + 10x + 21? N O (x + 3)(x + 7) (x + 4)(x + 6) (x + 6)(x + 15) (x + 7)(x + 14)

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asked Aug 20, 2020 61.5k views

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Escachator · Answer 1 · 2020-08-25T11:08:43+0000

Answer:

(x + 3)(x + 7)

Explanation:

Find two numbers that when added up to , they ALSO have to multiply up to 21. This is simple because of the fact that there is no leading coefficient greater than 1⃣.

Which expression is the factorization of x2 + 10x + 21? N O (x + 3)(x + 7) (x + 4)(x + 6) (x + 6)(x + 15) (x + 7)(x + 14)

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