Practice!

Sample Problem

Simplify the following expression

x(2x – 3) + (x – 2)(x + 1) =

Solution

x(2x – 3) + (x – 2)(x + 1)

                     = 2x2 – 3x + x2 + x – 2x – 2

                     = 3x2 – 4x – 2