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OxbridgeMind TMUA Paper 2 · Q13

Paper 2Algebra

The expression 2x3+x2−5x+a2x^3+x^2-5x+a, where aa is a constant, has (x+2)(x+2) as a factor. Which of the following is a complete factorization of the expression?

A(x+2)(2x2−3x+1)(x+2)(2x^2-3x+1)
B(x+2)(2x+1)(x+1)(x+2)(2x+1)(x+1)
C(x+2)(2x−1)(x+1)(x+2)(2x-1)(x+1)
D(x+2)(2x−1)(x−1)(x+2)(2x-1)(x-1)
E(x−2)(2x−1)(x−1)(x-2)(2x-1)(x-1)

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