3(2a+5) + 2 (4a+1) expand and simplify please! :))

Ricky takes out a $31,800 student loan to pay his expenses while he is in college. after graduation, he will begin making payments of $190.66 per month for the next 30 years to pay off the loan. how much more will ricky end up paying for the loan than the original value of $31,800? ricky will end up paying $ more than he borrowed to pay off the loan.

Common binomial factor of 6x(3x+7)+5(3x+7)

Need plz been trying to do it for a long time and still haven’t succeeded