A2 in place of a x a, a3 in place of a x a x a; a2b in place of a x a x b

1. Alien Algebra - Are two algebraic expressions equivalent?
2. Alien Algebra - Are two algebraic expressions equivalent?
3. Alien Algebra - Are two algebraic expressions equivalent?
4. Alien Algebra - Are two algebraic expressions equivalent?
5. Alien Algebra - Are two algebraic expressions equivalent?
6. Alien Algebra - Are two algebraic expressions equivalent?
7. Funky Frank's Algebra - Simplify an algebraic expression
8. Funky Frank's Algebra - Simplify an algebraic expression