math

(−2x + 9) + (x2 + x − 9)

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asked by Lamont
  1. (-2X+9) + (X^2+X-9).

    X^2 - 2X + X - 9 - 9,
    X^2 - X = X(X-1).

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    posted by Henry
  2. Correction:

    X^2 - 2X +X + 9- 9,

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    posted by Henry

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