Factoring Simple Quadratics with Help
View the Lesson | MATHguide homepage Updated September 24th, 2018


Status: Waiting for your responses.



Factor this quadratic by using the product table to the right.

x2 - 18x + 80

  1. Choose the product that has the correct sum.
  2. Fill in the blanks below using the pair of numbers you choose.
80
-80-1
801
-40-2
402
-20-4
204
-16-5
165
-10-8
108
(x + )(x + )