solution: We have $ab +5b+2a+10 = ab + 5b+2a + 2\cdot 5$, so we have a straightforward application of Simon's Favorite Factoring Trick: \[ab + 5b+2a+10 = \boxed{(a+5)(b+2)}.\]
prompt.content: <|im_start|>system
  You are a helpful assistant.<|im_end|>
  <|im_start|>user
  Factor the expression $ab+5b+2a+10$.
  Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
  <|im_start|>assistant
  
prompt.role: user
extra_info.answer: (a+5)(b+2)
extra_info.question: Factor the expression $ab+5b+2a+10$.
extra_info.split: test