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# Solving absolute value equations and Inequalities; how anyone can learn

Solving Absolute Value Equations Knowing the absolute value of a number is essential as we investigate solving absolute value equations. So what do we need to know about the absolute value of a number that is going to be helpful for us? Well we need to know that $abs[9]=9$ and $abs[-9]=9$ This tells us that ...

# Simplify Rational Expressions by Factoring

Rational Expressions are just like the big brother to fractions. They have this semi elaborate name but really all they are is a special fraction where the numerator or denominator contains expressions rather than just numbers. So while learning how to simplify rational expressions can at times seem scary, in their basic form they ...