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What do I need to know to add and subtract rational expressions

Learn how to add/subtract rational expressions. A rational expression is an expression in the form of a fraction where the ...
PC Magazine

algebraic expression

One or more characters or symbols associated with algebra; for example, A+B=C or A/B. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction requires permission.
YouTube on MSNOpinion

Learn to simplify a rational expression

Learn how to simplify rational expressions. A rational expression is an expression in the form of a fraction where the ...
BBC

Expressions and equations

Algebra is part of maths where we use letters to represent unknown values or values that can change. Simplify algebraic terms Algebraic expressions can be simplified by gathering like terms. Like ...