Exploring some new commands

Transforming functions
f(x) := x^2[br][br]f(x - 2)[br][br]f(-x)
Try symbolic identities:
AreEqual[(x + 1)^2, x^2 + 2x + 1][br][br]Simplify[(x + 1)^2 - (x^2 + 2x + 1)]
– Mathías Tejera

Information: Exploring some new commands