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  2. Equating coefficients - Wikipedia

    en.wikipedia.org/wiki/Equating_coefficients

    A similar problem, involving equating like terms rather than coefficients of like terms, arises if we wish to de-nest the nested radicals + to obtain an equivalent expression not involving a square root of an expression itself involving a square root, we can postulate the existence of rational parameters d, e such that

  3. Quadratic formula - Wikipedia

    en.wikipedia.org/wiki/Quadratic_formula

    The roots of the quadratic function y = ⁠ 1 / 2x 2 − 3x + ⁠ 5 / 2 ⁠ are the places where the graph intersects the x-axis, the values x = 1 and x = 5. They can be found via the quadratic formula. In elementary algebra, the quadratic formula is a closed-form expression describing the solutions of a quadratic equation.

  4. Square (algebra) - Wikipedia

    en.wikipedia.org/wiki/Square_(algebra)

    For instance, the square of the linear polynomial x + 1 is the quadratic polynomial (x + 1) 2 = x 2 + 2x + 1. One of the important properties of squaring, for numbers as well as in many other mathematical systems, is that (for all numbers x), the square of x is the same as the square of its additive inverse −x.

  5. Polynomial - Wikipedia

    en.wikipedia.org/wiki/Polynomial

    The names for the degrees may be applied to the polynomial or to its terms. For example, the term 2x in x 2 + 2x + 1 is a linear term in a quadratic polynomial. The polynomial 0, which may be considered to have no terms at all, is called the zero polynomial. Unlike other constant polynomials, its degree is not zero.

  6. Quadratic form - Wikipedia

    en.wikipedia.org/wiki/Quadratic_form

    Using Cartesian coordinates in three dimensions, let x = (x, y, z) T, and let A be a symmetric 3-by-3 matrix. Then the geometric nature of the solution set of the equation x T Ax + b T x = 1 depends on the eigenvalues of the matrix A. If all eigenvalues of A are non-zero, then the solution set is an ellipsoid or a hyperboloid.

  7. George Stubbs dog painting expected to sell for up to $2.5 ...

    www.aol.com/george-stubbs-dog-painting-expected...

    A painting by British artist George Stubbs is expected to sell for up to £2 million ($2.5 million) in London next week, as it comes to auction for the first time in more than 50 years.. The 18th ...

  8. 20 Christmas Casseroles Just Like Grandma Used to Make

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    The very best gifts for men, from $2 to over $100. AOL. These glass food containers are over 40% off: 'I like them more than my Pyrex' Show comments. Advertisement. Search Recipes.

  9. ‘Yellowstone’ fans all have the same question after the ...

    www.aol.com/news/yellowstone-fans-same-finale...

    The "Yellowstone" Season 5 finale just left viewers wanting more and they may just get their wish.On Dec. 15, the popular series wrapped up its fifth season with an explosive finale that killed ...