Explains proof of the algebraic identity for the cube of a binomial (a + b)³ = a ³ + b³ + 3ab(a + b)

Lesson Outcomes

• At the end of this lesson, the student will be able to:
• Define algebraic identity
• Learn the proof of an algebraic identity for the cube of a binomial (a + b)³ = a ³ + b³ + 3ab(a + b)
• Simplify any given expression which is the form (a + b)³