Simple steps of simplifying rational expressions
In mathematics, a rational expression is an algebraic expression which is in the form of fraction like P/Q, here P and Q are normal expression mainly in the polynomial form and ‘Q’ the denominator must be a non-zero. Rational expression can be written as the ratio of two polynomial terms, in which it is not necessary that coefficient of the polynomials or the values taken by function are rational. You can do anything with rational fractions that you can do with regular fractions. However, you have to take few additional considerations while solving rational expressions as there are variables in these expressions. 3/x, 6/x+1, 2+x/3+x etc. These all are the examples of rational expression.
After this we will discuss how to solve rational expressions . To simplify rational expression, you have to keep one main concept in mind and remaining is same as solving a simple equation. One method used to simplify complex fractions is multiplication by the least common denominator of all fractions. while solving rational equation first of all you have eliminate the denominator of each term after that problem will become simple and you can solve as simple equations.
One of the difficult operation is adding and subtracting rational expressions because as in regular expression you have to convert to common denominators similarly, you have to do with rational expression. If you don’t like adding fractions then you will definitely hate rational fractions but no need to take tension as you can do all this with tutorvista math help. When you simplify rational expressions, you need to evaluate that expression and with this you will be able to know which values would cause division by zero, so just by evaluating you can avoid the use of those values.
You must be familiar with simple multiplication and division and with multiplying regular fractions. In case of regular fraction multiplication is much easier then adding and subtracting. The same is the case with multiplying rational expressions. The multiplication of rational expression is similar as to regular fractions. The main problem that student faces while multiplying and dividing a rational is illegitimate canceling, in which they try to cancel the terms rather then factors. Online math help offered by tutorvista will solve all your other queries related to this topic and other maths topics.
TutorVista is the #1 portal for learning simplifying rational expressions online. The tutors working with us are great in explaining online math help in best possible way.
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