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Please check.

Answer: -2m^2n+5mn^2-11mn-7

Answer: 2x^4-5x^3-5x^2+10x-5

Answer: a^2-9a+8

Answer: z^2+12z+36

Answer: 25x^2+20xy+4y^2
Is that order okay? Does it matter?

Answer: 4x^2-49

  • math -

    I've already answered your post on Thursday, August 21, 2008 at 9:54pm.

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