Please help!!! This really affects my grade! I need a final answer not a guess. Thank you very much. I really appreciate it.

[tex] \huge \boxed{ \color{red}\mathbb{H ELLO !!} }[/tex]
your answer will be :
[tex] \boxed{36 {x}^{2} - 3x - 14}[/tex]
I hope it helps you mate !!