30K views · 30 reactions | Gauthmath helps with your math. Welcome to Gauthmath! What is the result of (a+b)(a-b)? It's a²-b² i.e. the difference of two squares. Let's take a look at this expression (9+1)(9-1). We could get the result 9²-1² based on the pattern (a+b)(a-b)=a²-b². Then, how to solve a question like this? (9+1)(9²+1)(9⁴+1)(9⁸+1) Let's find the answer in snowball effect! | Gauth | Facebook