Precalc0006to0010-page21

Precalc0006to0010-page21 - (Section 0.9: Simplifying...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
(Section 0.9: Simplifying Algebraic Expressions) 0.9.3 PART C: CANCELING OPPOSITE FACTORS a ± b () and b ± a are opposites . Canceling Opposite Factors The quotient of nonzero, opposite factors is ± 1 . Example 1 (Canceling Opposite Factors) Simplify 9 ± x 2 x ± 3 . § Solution Method 1 9 ± x 2 x ± 3 = 3 + x 3 ± x x ± 3 WARNING 3 : It is incorrect to factor 9 ± x 2 as x + 3 x ± 3 , which is the factorization of x 2 ± 9 . 3 ± x and x ± 3 are opposites
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

This document was uploaded on 12/29/2011.

Ask a homework question - tutors are online