Answer:
3ab(4a + 5b)
Step-by-step explanation:
Given
12a²b + 15ab² ← factor out 3ab from each term
= 3ab(4a + 5b)
Step-by-step explanation:a=2b+4
-1
took the exam on edge
9 degrees celsius
All you have to do is 7 - (-2) = 9.