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2. Like terms - Wikipedia

   en.wikipedia.org/wiki/Like_terms

   As this example shows, when like terms exist in an expression, they may be combined by adding or subtracting (whatever the expression indicates) the coefficients, and maintaining the common factor of both terms. Such combination is called combining like terms, and it is an important tool used for solving equations.

3. Trinomial expansion - Wikipedia

   en.wikipedia.org/wiki/Trinomial_expansion

   Layers of Pascal's pyramid derived from coefficients in an upside-down ternary plot of the terms in the expansions of the powers of a trinomial – the number of terms is clearly a triangular number. In mathematics, a trinomial expansion is the expansion of a power of a sum of three terms into monomials. The expansion is given by

4. Sixth power - Wikipedia

   en.wikipedia.org/wiki/Sixth_power

   In arithmetic and algebra the sixth power of a number n is the result of multiplying six instances of n together. So: n 6 = n × n × n × n × n × n. Sixth powers can be formed by multiplying a number by its fifth power, multiplying the square of a number by its fourth power, by cubing a square, or by squaring a cube. The sequence of sixth ...

5. Polynomial - Wikipedia

   en.wikipedia.org/wiki/Polynomial

   In mathematics, a polynomial is a mathematical expression consisting of indeterminates (also called variables) and coefficients, that involves only the operations of addition, subtraction, multiplication and exponentiation to nonnegative integer powers, and has a finite number of terms.

6. Polynomial expansion - Wikipedia

   en.wikipedia.org/wiki/Polynomial_expansion

   In mathematics, an expansion of a product of sums expresses it as a sum of products by using the fact that multiplication distributes over addition. Expansion of a polynomial expression can be obtained by repeatedly replacing subexpressions that multiply two other subexpressions, at least one of which is an addition, by the equivalent sum of products, continuing until the expression becomes a ...

7. 6 of the Most Common Home Renovations — Are They ... - AOL

   www.aol.com/finance/6-most-common-home...

   Wortsmith noted that practical upgrades, like a whole-home air purifier, are also worth considering. Projects you might want to think twice about include a high-end HVAC system and radiant ...