what is the formula of a cube plus b cube

The formula for a cube plus b cube is: a^3 + b^3 = (a + b) (a^2 - ab + b^2) . This formula is also known as the sum of cubes formula and is used to find the sum of the cubes of two numbers without actually computing the cubes. It can also be used to factorize the binomials of cubes.