Sagot :
[tex](2x-3)(x-4)-(5x-2)(3-x) \\ = 2x {}^{2} - 8x - 3x + 12 - (15x - 5x {}^{2} - 6 + 2x) \\ = 2x {}^{2} - 8x - 3x + 12 - 15x + 5x {}^{2} + 6 - 2x \\ = 7x {}^{2} - 28x + 18[/tex]
Bonsoir
[tex](2x-3)(x-4)-(5x-2)(3-x) \\ = 2x {}^{2} - 8x - 3x + 12 - (15x - 5x {}^{2} - 6 + 2x) \\ = 2x {}^{2} - 8x - 3x + 12 - 15x + 5x {}^{2} + 6 - 2x \\ = 7x {}^{2} - 28x + 18[/tex]
Bonsoir