# Math Help - Formula confirm

1. ## Formula confirm

Please tell me wether I am right or wrong
a^3+b^3=(a+b)(a^2-ab+b^2)

2. Originally Posted by Peacewanters007
Please tell me wether I am right or wrong
a^3+b^3=(a+b)(a^2-ab+b^2)
You're right. But why ask??

1. Any factorisation can be checked by expanding ......

2. The sum of two cubes formula is ..... everywhere!!