Question

решите уравнение (x+1)(x-3)=(x-2)(x-5)​

Answer 1

$x {}^{2} - 3x + x - 3 = x {}^{2} - 5x - 2x + 10$

$- 3 x + x - 3 = - 5x - 2x + 10$

$- 2x - 3 = - 7x + 10$

$- 2 x + 7x = 10 + 3$

$5x = 13$

$x = \frac{13}{5}$