Factor: $x ^ { 2 } + 13 x + 40$
A) (x+5)(x+8)
B) (x +4)(x +10)
C) (x +3)(x +10)
D) (x +2)(x +20)

Name: Factor: $x ^ { 2 } + 13 x + 40$ A) (x+5)(x+8) B) (x +4)(x +10) C) (x +3)(x +10) D) (x +2)(x +20)
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Question

Factor: $x ^ { 2 } + 13 x + 40$
A) (x+5)(x+8) 
B) (x +4)(x +10) 
C) (x +3)(x +10) 
D) (x +2)(x +20)

Quizplus · Accepted Answer

We need to find two numbers that add up to 13 and multiply to 40. These numbers are 5 and 8, which satisfy both conditions. Therefore, the factorization is (x+5)(x+8), so the answer is choice A.

Factor x2+13x+40x ^ { 2 } + 13 x + 40x2+13x+40

Factor $x ^ { 2 } + 13 x + 40$