changoblanco858
changoblanco858 changoblanco858
  • 09-10-2017
  • Mathematics
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chrisivanlee chrisivanlee
  • 09-10-2017
9x^2 - 12y^2 - 11x, the last answer, number 4
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musiclover10045
musiclover10045 musiclover10045
  • 09-10-2017

combine all the like terms

 8x^2 + x^2 = 9x^2

-9y^2 - 3y^2 = -12y^2

-4x-7x = -11x

 so you have 9x^2 -12y^2-11x

 Answer id the last one

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