Can yall help with this, there is a screenshot.

F(-3)=-8(-3)^2 (take out the parenthesis and the negative because you can’t do the exponent of a negative number)

F(-3)= -8•3^2 (now you can do the exponent of 3)

F(-3)= -8•9 (multiply)

F(-3)= -72 this is your answer.

Hope this helps :D