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maddieeexox

  • 3 years ago

20. (n2 – 3n + 1) – (4n2 + n – 5) 3n2 – 4n + 6 –3n2 – 4n + 6 –3n2 + 4n – 6 3n2 + 4n – 6

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  1. abdul_shabeer
    • 3 years ago
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    First open the brackets

  2. maddieeexox
    • 3 years ago
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    what?

  3. abdul_shabeer
    • 3 years ago
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    -(x+y-z)=-x-y+z

  4. maddieeexox
    • 3 years ago
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    i dont understand

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