### Home > CCAA8 > Chapter 8 Unit 9 > Lesson CCA: 8.2.3 > Problem8-84

8-84.

Jamie was given the problem, “Find the result when the factors of $65x^2+212x−133$ 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?

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