Question

which expressions are equivalent to 4(4a+5)?

a. 16a+5
b. 16a+20
c. 12a+20+4a
d. 2(8a+10)
e. 16a+5+4

Answer 1

Hello there!


4(4a + 5)

Use the distributive property

(4)(4a) + (4)(5)

16a + 20

The correct answer is B

Answer 2

The is choice b because if you distribute the 4 to both parts of the expression in the parentheses then the expression would be equal to that