(5x^2 + 2x - 7) - (-3x^2 + 6x - 9)
(5x^2 + 2x - 7) - (-3x^2 + 6x - 9) = 5x^2 + 2x - 7 + 3x^2 - 6x + 9 = 8x^2 - 4x + 2
Question
Updated 9/11/2014 10:16:01 AM
Edited by andrewpallarca [9/11/2014 10:16:01 AM]
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(5x^2 + 2x - 7) - (-3x^2 + 6x - 9)

= 5x^2 + 2x - 7 + 3x^2 - 6x + 9

= 8x^2 - 4x + 2
Confirmed by andrewpallarca [9/11/2014 10:15:51 AM]

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