Question

2. Which of the following expressions simplifies to -15a + 30?

a. -3(-5a + 10)
b. 5(-3d-6)
c. -15(a + 2)
d. 6(-2.5a + 5)

Answer 1

D

Explanation:

D, because 6* -2.5a = -15a and 6*5= 30 so it equals -15a+30.