In this video, the teacher explains why (A+B)^3 is not the same as A^3 + B^3. Using a volume model, the teacher demonstrates how to expand (A+B)^3 and shows that it is equal to A^3 + 3A^2B + 3AB^2 + B^3.
In this video, the teacher explains why (A+B)^3 is not the same as A^3 + B^3. Using a volume model, the teacher demonstrates how to expand (A+B)^3 and shows that it is equal to A^3 + 3A^2B + 3AB^2 + B^3.