Answer:
[tex]9 - {x}^{2} = > 2 \\ - 77 = > 0 \\ 4 {x}^{3} = > 3 \\ 3 {x}^{2} + 5x + 2 = > 2 \\ 2x {y }^{2} + xy = > 3 \\ - 4x + 2 = > 1 \\ thank \: you[/tex]
