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15 August, 10:55

Find the difference.

(7x2 + x + 9) - (3x2 + 4x - 5)

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Answers (2)
  1. 15 August, 11:12
    0
    7x^2 + x - 9 - (3x^2 + 4x - 5) ... distribute the negative through the parenthesis

    7x^2 + x - 9 - 3x^2 - 4x + 5 ... now just combine like terms

    4x^2 - 3x - 4 <===
  2. 15 August, 11:18
    0
    The answer to your question is - 3x+22
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