[Answer] What is the completely factored form of x4 + 8x2 - 9?

Answer: B

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What is the completely factored form of x4 + 8x2 - 9? In mathematics factorization (or factorisation see English spelling differences) or factoring consists of writing a number or another mathematical object as a product of several factors usually smaller or simpler objects of the same kind.For example 3 × 5 is a factorization of the integer 15 and (x – 2)(x + 2) is a factorization of the polynomial x 2 – 4. In mathematics Ruffini's rule is a practical way for paper-and-pencil computation of the Euclidean division of a polynomial by a binomial of the form x – r.It was described by Paolo Ruffini in 1804. Ruffini's rule is a special case of synthetic division when the divisor is a linear factor . In linear algebra the Cholesky decomposition or Cholesky factorization (pronounced / ʃ ə ˈ l ɛ s k i / shə-LES-kee) is a decomposition of a Hermitian positive-definite matrix into the product of a lower triangular matrix and its conjugate transpose which is useful for efficient numerical solutions e.g. Monte Carlo simulations.It was discovered by André-Louis Cholesky for real matrices. Mon Jan 07 2002 13:30:00 GMT-0500 (Eastern Standard Time) · Shor's algorithm is a polynomial-time quantum computer algorithm for integer factorization. Informally it solves the following problem: Given an integer find its prime factors.It was invented in 1994 by the American mathematician Peter Shor.. On a quantum computer to factor an integer Shor's algorithm runs in polynomial time (the time taken ...

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