[tex]\red{\huge \: YO \: \: LISTEN \: \: UP}[/tex]
[tex](3 {x}^{2} - 1) - ( {x}^{2} - x + 7)[/tex]
[tex]3 {x}^{2} - {x}^{2} + x - 1 - 8[/tex]
[tex]2 {x}^{2} + x - 9[/tex]
