What is the following product? (3 startroot 16x^7 endroot) (3 startroot 12x^9 endroot)

If your annual gross income is $62,000 and you have one monthly car payment of $335 and a monthly student loan payment of $225, what is the maximum house payment you can afford. consider a standard 28% front-end ratio and a 36% back-end ratio. also, to complete your calculation, the annual property tax will be $3,600 and the annual homeowner's premium will be $360.

This is different from the first one can someone me

Which is f(5) for the function –2x2 + 2x - 3?