Answer:
10x + 7
Step-by-step explanation:
First expand by distributing the 3 and the 2 on the outside of both parentheses:
3(2x-1) + 2(2x+5) becomes
(6x - 3) + (4x + 10)
Then combine like terms (6x + 4x and -3 + 10) to simplify:
6x + 4x - 3 + 10 = 10x + 7
