16x³ - x = 0
By factorization, we obtain:
x(16x² - 1) = 0
x(4x - 1)(4x + 1) = 0
Set each term by 0 and solve for x to get:
x = 0 and 4x - 1 = 0 and 4x + 1 = 0
x = {0, ±¼}
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Solve this problem -x squared -40x- 80 =0
a2+30a+56=0 , solve for a Using the quadratic formula, you will find that: a=-2 , a=-28
By factoring. q2 + 16q = 0 q (q + 16) = 0 Now, either q = 0, or q + 16 = 0. Solve those two equations to get the solution.
9x2-9x = 0 x2-x = 0 x(x-1) = 0 x = 1 or x = 0
x = 12