Simplify
 Usage
• Simplify[expr] performs a sequence of algebraic and other transformations on expr, and returns the simplest form it finds.
• Simplify[expr, assum] does simplification using assumptions.
Notes
• Simplify tries expanding, factoring and doing many other transformations on expressions, keeping track of the simplest form obtained. • The following options can be given: • Assumptions can consist of equations, inequalities, domain specifications such as x  Integers, and logical combinations of these. • Example: Simplify[Sqrt[x^2], x  Reals]  . • Simplify can be used on equations, inequalities and domain specifications. • Example: Simplify[x^2 > 3, x > 2] . • Quantities that appear algebraically in inequalities are always assumed to be real. • Example: Simplify[x  Reals, x > 0] . • FullSimplify does more extensive simplification than Simplify. • You can specify default assumptions for Simplify using Assuming. • See also: FullSimplify, Refine, Factor, Expand, TrigExpand, PowerExpand, ComplexExpand, PiecewiseExpand, Element, FunctionExpand, Reduce, Assuming. • New in Version 1; modified in 5.
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