1) 13x² - x = 0x(13x - 1) = 0x = 0 or 13x - 1 = 0x = 0 or x = 1/13
2) 4x² - 9 = 0(2x + 3)(2x - 3) = 02x + 3 = 0 or 2x - 3 = 0x = -3/2 or x = 3/2
1) 13x² - x = 0
x(13x - 1) = 0
x = 0 or 13x - 1 = 0
x = 0 or x = 1/13
2) 4x² - 9 = 0
(2x + 3)(2x - 3) = 0
2x + 3 = 0 or 2x - 3 = 0
x = -3/2 or x = 3/2