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In mathematics, specifically in elementary arithmetic and elementary algebra, given an equation between two fractions or rational expressions, one can cross-multiply to simplify the equation or determine the value of a variable.
A rational algebraic expression (or rational expression) is an algebraic expression that can be written as a quotient of polynomials, such as x 2 + 4x + 4. An irrational algebraic expression is one that is not rational, such as √ x + 4.
If the expressions a and b are polynomials, the algebraic fraction is called a rational algebraic fraction [1] or simply rational fraction. [2] [3] Rational fractions are also known as rational expressions.
Expressions solely involving multiplication or addition are invariant with respect to the order of operations: [27] [28] = (). Distributive property Holds with respect to multiplication over addition. This identity is of prime importance in simplifying algebraic expressions: [27] [28]
In mathematics, the method of clearing denominators, also called clearing fractions, is a technique for simplifying an equation equating two expressions that each are a sum of rational expressions – which includes simple fractions.
After a year filled with animated inner emotions, mutants, aliens, gladiators and witches, the new year will bring a crop of new (or, newly revisited) movies to choose from, as always.
Algebraic operations work in the same way as arithmetic operations, [12] such as addition, subtraction, multiplication, division and exponentiation, [13] and are applied to algebraic variables and terms. Multiplication symbols are usually omitted, and implied when there is no space between two variables or terms, or when a coefficient is used.
Elon Musk hit out at a Delaware judge's latest rejection of his mega pay package. The Tesla CEO described the ruling as "totally crazy" and "absolute corruption."
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