Answer:
14+5x
Step-by-step explanation:
[tex] 7 {x}^{2} + 5x[/tex]
[tex](9 {x}^{2} + 8x) - (2 {x}^{2} + 3x) \\ = 9 {x}^{2} + 8x - 2 {x}^{2} - 3x \\ = 9 {x}^{2} - 2 {x}^{2} + 8x - 3x \\ = 7 {x}^{2} + 5x[/tex]
