Subtract and simplify: (2x2 + 5x – 4) – (3x2 – 7x + 1) A. 5x2 – 2x – 3 B. –x2 + 12x – 5 C. x2 + 12x – 3 D. –x2 – 2x – 3
(2x^2 + 5x – 4) – (3x^2 – 7x + 1) = 2x^2 + 5x – 4 – 3x^2 + 7x - 1 = -x^2 + 12x - 5
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Updated 5/21/2014 11:58:00 PM
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(2x^2 + 5x – 4) – (3x^2 – 7x + 1)
= 2x^2 + 5x – 4 – 3x^2 + 7x - 1
= -x^2 + 12x - 5
Confirmed by jeifunk [5/22/2014 12:00:50 AM]

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