Question

Which expression is equivalent to 8a + 20? (5 points)

a
4(2a + 20)

b
4(2a + 5)

c
4(4a + 16)

d
4(4a + 5)

Answer 1

B
4(2a+5)
4*2a +4*5
8a+20

Answer 2

b. 4(2a + 5)

Explanation:

Multiply into the brackets

4 x 2a & 4 x 5

8a + 20