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michelle95

  • 3 years ago

refer to the diagram. a machin will cut a small square of plastic from a larger square. write an expression for the remaining area. factor the expression.

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  1. michelle95
    • 3 years ago
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    |dw:1358539558344:dw|

  2. cwrw238
    • 3 years ago
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    remaniing area = x^2 - 4^2

  3. cwrw238
    • 3 years ago
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    = x^2 - 16

  4. michelle95
    • 3 years ago
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    thanks

  5. cwrw238
    • 3 years ago
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    this factors to (x + 4)(x - 4) (the difference of 2 squares)

  6. cwrw238
    • 3 years ago
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    yw

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