Practice!

Sample Problem

Factor the following expression

5x(x – 6) + 3(6 – x) = (x + )(x + )

Solution

5x(x – 6) + 3(6 – x),  by rearranging opposites and removing common binomials

=5x(x – 6) – 3(x – 6)

=(x – 6)(5x – 3)