16x^2 = 2x divide both sides by 2
8x^2 = x subtract x from both sides
8x^2 - x = 0 factor
x ( 8x - 1) = 0
Setting both factors to 0 and solving
x = 0 and
8x - 1 = 0 add 1 to both sides
8x = 1 divide both sides by 8
x = 1 / 8
And those are the two solutions
