5. One of the factors of 3b²- 4b - 15 is b - 3. What is the other factor?
A.3b - 5
B.3b + 5
C.3b - 3
D.3b + 3
A.3b - 5
B.3b + 5
C.3b - 3
D.3b + 3
Add an Answer
More Questions From This User See All
Copyright © 2024 EHUB.TIPS team's - All rights reserved.
Answers & Comments
Answer:
B. 3b + 5
Step-by-step explanation
Hope it helps :D
Answer:
B. 3b + 5
Step-by-step explanation:
*break the expression into groups
= (3b² + 5b) + (-9b - 15)
*factor out b from (3b² + 5b)
= b (3b + 5)
*factor out -3 from (-9b - 15)
= -3 (3b + 5 )
= b (3b + 5) - 3 (3b + 5)
factors: (b - 3) (3b + 5)