The binomial (x + 5) is a factor of x2 + 8x + 15. What is the other factor?
a. (x + 3)
b. (x + 7)
c. (x + 12)
d. (x + 13)
Answers
Answered by
1
Answer:
x^2+8x+15
-4^2+8×-4+15
16-32+15
-31
Answered by
10
Answer:
THE ANSWER IS a (x + 3)
Step-by-step explanation:
x2 + 8x + 15
= x2 + 5x + 3x + 15
= x (x + 5) + 3(x+5)
= (x+3)(x+5)
So, first factor is (x+5)
the second factor is (x+3)
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