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


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

x2 + 10x + 21

  1. Choose the product that has the correct sum.
  2. Fill in the blanks below using the pair of numbers you choose.
21
121
37
(x + )(x + )