1) 12x^2 - x = 0x(12x - 1) = 0x = 0 or 12x - 1 = 0x = 0 or 12x = 1x = 0 or x = 1/12
2) 8x^2 + 6x = 02x(4x + 3) = 0x = 0 or 4x + 3 = 0x = 0 or 4x = -3x = 0 or x = -3/4
1) 12x^2 - x = 0
x(12x - 1) = 0
x = 0 or 12x - 1 = 0
x = 0 or 12x = 1
x = 0 or x = 1/12
2) 8x^2 + 6x = 0
2x(4x + 3) = 0
x = 0 or 4x + 3 = 0
x = 0 or 4x = -3
x = 0 or x = -3/4