This video explains how to simplify the square root of a perfect square and determine if a square root is not real or imaginary.

# simplify

# Evaluate Expressions in Fraction Form on the TI-84 Using Fraction Format

This video explains how to evaluate rational expressions using the built in fraction format on the TI-84.

# Simplify Algebraic Expressions: a(x^2-bx+c)-d(ex^2+fx-g)

This video explains how to simplify an algebraic expression using distribution and combining like terms.