Question

Помогите решить уравнение

Answer 1

a² - b² = (a - b)(a + b)

(9x - 2)² - (x - 17)² = 0

(9x - 2 - x + 17)(9x - 2 + x - 17) = 0

(8x + 15)(10x - 19) = 0

8x + 15 = 0

x1 = - 15/8

10x - 19 = 0

x2 = 19/10