Step-by-step explanation:
[tex](7g + 3)( - g - 3) \\ = 7g( - g - 3) + 3( - g - 3) \\ = - 7 {g}^{2} - 21g - 3g - 9 \\ \red{ \bold{ = - 7 {g}^{2} - 24g - 9 }} \\ is \: in \: the \: standard \: form.[/tex]
