a cube plus b cube is written as a^ 3 + b ^ 3 and its formula says a^ 3 + b ^ 3 = ( a + b )(a^2 - ab + b ^2). Learn how this formula works and how it can be applied with a few solved examples. The ( a + b )^ 3 formula is used to find the cube of a binomial. It is used to find the cube of the sum of two terms. Understand the a plus b whole cube formula with derivation, examples, and FAQs. a minus b whole cube formula says ( a - b)^3 = a^ 3 - 3a^2b + 3ab^2 - b ^ 3 . This formula is used to find the cube of difference between two terms. Learn how this formula is derived along with a few examples. Learn the ( A + B )^ 3 formula with easy explanations, visual examples, and interactive quizzes. Perfect for students learning algebraic identities.