	Ánh Nguyễn \| Chat Online
	07/08/2017 09:02:25
	Toán học - Lớp 8 \| Toán học \| Lớp 8

Tìm x biết: a) 4(x - 3)² - (2x - 1)(2x + 1) = 10; b) (2x + 1)(3x - 2) - (5x - 8)(2x + 1) = 0; c) (x - 4)² - (x - 2)(x + 2) = 6; d) 9(x + 1)² - (3x - 2)(3x + 2) = 10

Tìm x
a) 4(x - 3)² - (2x - 1)(2x + 1) = 10
b) (2x + 1)(3x - 2) - (5x - 8)(2x + 1) = 0
c) (x - 4)² - (x - 2)(x + 2) = 6
d) 9(x + 1)² - (3x - 2)(3x + 2) = 10