Answer:
[tex] {(3x - 3)}^{2} + (x + 4)(x - 1) \\ = {(3x)}^{2} - 2 \times 3x \times 3 + {3}^{2} + ( {x}^{2} - x + 4x - 4) \\ = {(3x)}^{2} - 18x + 9 + {x}^{2} + 3x - 4 \\ = 9 {x}^{2} + {x}^{2} - 18x + 3x + 9 - 4 \\ = 10 {x}^{2} - 15x + 5 \\ thank \: you[/tex]
