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UmarsBack

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  • one year ago
  • one year ago

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  1. UmarsBack
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    Subtract:(3x2 - x - 5) - (x + 2)

    • one year ago
  2. rosho
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    distribute the minus sign first.

    • one year ago
  3. rosho
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    and i believe you mean this 3x^2?

    • one year ago
  4. UmarsBack
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    yeah 3x^2

    • one year ago
  5. UmarsBack
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    wanna tell me how you distribute the minus signs? lol i havent really understood how to do this.

    • one year ago
  6. rosho
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    well, i'm not very good at explaining stuff i'm more of a learner by doing.

    • one year ago
  7. rosho
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    (3x2 - x - 5) - (x + 2) 3x2 - x - 5) - x - 2

    • one year ago
  8. rosho
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    do you understand what i just did?

    • one year ago
  9. UmarsBack
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    Yeah you took away the brackets?

    • one year ago
  10. UmarsBack
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    and changed it to a negative..

    • one year ago
  11. rosho
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    yes, that's correct, so can you take it from here.

    • one year ago
  12. UmarsBack
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    so, (- x - 5) - x - 2?

    • one year ago
  13. UmarsBack
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    Do they add?

    • one year ago
  14. rosho
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    yeps.

    • one year ago
  15. UmarsBack
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    so the answer is 3x2 - 2x -7?

    • one year ago
  16. rosho
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    correct!

    • one year ago
  17. UmarsBack
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    THANKS!

    • one year ago
  18. rosho
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    your welcome!

    • one year ago
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