Subtract: (2x2 - 6x + 7) - (5x2 + 2x - 8).
A)
-3x2 - 8x + 15
B)
-3x4 - 8x2 + 15
C)
-3x2 - 4x - 1
D)
7x2 - 4x - 1

(2x^2 - 6x + 7) - (5x^2 + 2x - 8) = 2x^2 - 6x + 7 - 5x^2 - 2x + 8 = -3x^2 - 8x + 15

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Asked 9/13/2012 1:13:27 PM

Updated 8/12/2014 11:46:29 PM

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(2x^2 - 6x + 7) - (5x^2 + 2x - 8)

= 2x^2 - 6x + 7 - 5x^2 - 2x + 8

= -3x^2 - 8x + 15

= 2x^2 - 6x + 7 - 5x^2 - 2x + 8

= -3x^2 - 8x + 15

Added 8/12/2014 11:46:29 PM

This answer has been confirmed as correct and helpful.

Confirmed by yumdrea [8/12/2014 11:47:17 PM]

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