Answer:
36x + 45
Explanation:
given
9(3x + 5 + x) ← collect like terms inside parenthesis
= 9(4x + 5)
Multiply the terms inside the parenthesis by the 9 outside
= (9 × 4x) + (9 × 5)
= 36x + 45
7.5m questions
10.0m answers