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02-08-2017
Mathematics

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What is the factorization of 2x²+4x+2

A. (2x+2)(x+2)
B. (2x+1)(x+2)
C. (2x+1)(x+1)
D. (2x+2)(x+1)

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02-08-2017

Answer: D, (2x + 2)(x + 1)

You can immediately eliminate A and C, since they would produce the constants 4 and 1, respectively when the constant we need is 2.

(2x + 2)(x + 1) simplifies to 2x^2 + 2x + 2x + 2, or 2x^2 + 4x + 2.

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