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anonymous

  • one year ago

Use the distributive property to simplify the following expressions.

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  1. anonymous
    • one year ago
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    \[A. 4(x+2) \] \[b. -5(9+X) \]

  2. anonymous
    • one year ago
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    \[C. 7(x-3)\]

  3. anonymous
    • one year ago
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    there =3

  4. Vocaloid
    • one year ago
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    well, the general rule for the distributive property is A(B+C) = A*B + A*C

  5. Vocaloid
    • one year ago
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    so, we start off with A) 4(x+2) = 4*x + 4*2 = 4x + 8

  6. anonymous
    • one year ago
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    ok

  7. Vocaloid
    • one year ago
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    do you want to try B and C on your own now? c;

  8. anonymous
    • one year ago
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    Yeah ^-^

  9. Vocaloid
    • one year ago
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    give it a go, I'll guide you if you get stuck

  10. anonymous
    • one year ago
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    um so with c. it is going to be...7(x-3)=7*x+7*3=7x +21?...

  11. Vocaloid
    • one year ago
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    hm, not quite, remember the negative sign on 3

  12. Vocaloid
    • one year ago
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    7*x + 7*(-3) = ?

  13. anonymous
    • one year ago
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    Oh. -21?

  14. Vocaloid
    • one year ago
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    right, 7x-21

  15. anonymous
    • one year ago
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    thanks ^-^ so um b is -45?

  16. Vocaloid
    • one year ago
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    almost, don't forget the x part

  17. Vocaloid
    • one year ago
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    -5(9+x) = (-5)(9) - 5x

  18. anonymous
    • one year ago
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    Okay thank you for helping me :)

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