Factoring the Sum or Difference of Two Cubes 1. Factoring the Sum of Two Cubes A³ + B³ = (A + B)(A² – AB + B²) Same signs Opposite signs 2. Factoring the Difference of Two Cubes A3 – B3 = (A – B)(A² + AB + B²) Same signs Opposite signs

College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
ChapterP: Prerequisites
SectionP.6: Factoring
Problem 43E
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Factoring the Sum or Difference of Two Cubes
1. Factoring the Sum of Two Cubes
A³ + B³ = (A + B)(A² – AB + B²)
Same signs
Opposite signs
2. Factoring the Difference of Two Cubes
A3 – B3 = (A – B)(A² + AB + B²)
Same signs
Opposite signs
Transcribed Image Text:Factoring the Sum or Difference of Two Cubes 1. Factoring the Sum of Two Cubes A³ + B³ = (A + B)(A² – AB + B²) Same signs Opposite signs 2. Factoring the Difference of Two Cubes A3 – B3 = (A – B)(A² + AB + B²) Same signs Opposite signs
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