Math

(-x^2+ 5x + 9) + (-x^2+ 6x + 9)

Asked by AnneS2 on 15 Apr 02:54

Last updated by anonymous on 16 Apr 17:40

1 Answers

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Answered by CherieS on 16 Apr 17:40

=(-x^2+ 5x + 9) + (-x^2+ 6x + 9)

=(-x^2+ 5x + 9) -x^2+ 6x + 9

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

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

=-2x^2 +11x +18