Question

which expression is equivalent to 8(5b + 5) + 2?
40b + 42
5b + 42
40b + 7
42b + 40

Explanation:

Step1: Apply distributive property

$8(5b + 5) = 8\times5b + 8\times5 = 40b + 40$

Step2: Add the constant term

$40b + 40 + 2 = 40b + 42$

Answer:

40b + 42