Question

How to simplify (a+3b)+3(4a+b)

Answer 1

Answer: 13a+3b+18

Explanation:

First distribute the 3 to 4a+b

Then you get 12a+18

Add 12a+18 with a+3b

Answer 2

13a + 6b

Explanation:

Given

(a + 3b) + 3(4a + b) ← distribute parenthesis

= a + 3b + 12a + 3b ← collect like terms

= 13a + 6b