### Home > CCA2 > Chapter 8 > Lesson 8.3.2 > Problem 8-148

What is

?Substitute

into the equation for every .Use the Remainder Theorem to find one factor of

. (See the Math Notes box in Lesson 8.3.2 above.)Since

,is the zero of the function. What is the corresponding factor?Use (b) to find another factor.

Try using a generic rectangle.

**A 2 by 3 rectangle, labeled as follows: left edge, x, minus 2, interior top, left, x, cubed.**Labels added: top edge, left, x, squared, interior bottom, left, negative 2, x, squared, interior top, middle, negative 4, x squared.

**Labels added: top edge, middle, negative 4, x, interior bottom, middle, 8, x, interior top, right, negative x.****Labels added: top edge, right, negative 1, interior bottom, right, 2.**What are all the solutions of

?See part (a) for one solution.

Use the Quadratic Formula to find the solutions to

.