tentukan penyelesaian setiap persamaan berikut! (5x+7)(x-2)=5x(x-1)

[tex]5x { }^{2} - 10x + 7x - 14 = 5x {}^{2} - 5 \\ 5x {}^{2} - 3x - 14 = 5x {}^{2} - 5 \\ 5x {}^{2} - 5x {}^{2} - 3x = - 5 + 14 \\ - 3x = 9 \\ x = 9 \div - 3 \\ x = - 3[/tex]