### Home > CCA > Chapter 8 > Lesson 8.2.3 > Problem 8-84

8-84.

Jamie was given the problem, “Find the result when the factors of 65*x*^{2} + 212*x* − 133 are multiplied together.” Before she could answer, her sister, Lauren, said, “I know the answer without factoring or multiplying!” What was Lauren's answer and how did she know?** **Homework Help ✎

The result must be the original expression because multiplying and factoring are opposite processes.