X2 +10x + 21 I need to factor the

1 answer:

Ber [7]3 years ago

4 0

Answer:

(x + 7)(x + 3).

Step-by-step explanation:

x^2 +10x + 21

21 = 7 * 3 and 10 = 7 +3

so the factors are

(x + 7)(x + 3).

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