Question

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

Choose 3 answers:
16a + 5
16a + 20
12a + 20 + 4a
28a + 10)
16a +5 +4

Answer 1

The Equivalent of 4 (4a+b) is

Explanation:

step 1.

4 (4a +b)

step 2. multiple the whole bracket by 4

(4× 4a + 4×5)

16a + 20