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Haleyy_Bugg Group Title

Factor completely: 10x^2 + 2x − 8 A) 2(5x − 1)(x + 4) B) 2(5x − 4)(x + 1) C) 2(5x + 2)(x − 2) D) 2(5x − 2)(x + 2)

  • one year ago
  • one year ago

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  1. Haleyy_Bugg Group Title
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    @Notamathgenius

    • one year ago
  2. JULIANCHICO Group Title
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    2(x+1)(5x-4)

    • one year ago
  3. goformit100 Group Title
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    its easy, do you know the basics of quadratic Expression.

    • one year ago
  4. cwrw238 Group Title
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    first divide by 2 = 2(5x^2 + x - 4)

    • one year ago
  5. Haleyy_Bugg Group Title
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    Then what?

    • one year ago
  6. goformit100 Group Title
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    Dont just kee on giving answering directly

    • one year ago
  7. Haleyy_Bugg Group Title
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    @Nurali

    • one year ago
  8. cwrw238 Group Title
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    then you need to factor the quadratic 5x^2 + x - 2 have you done these in class yet?

    • one year ago
  9. Haleyy_Bugg Group Title
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    no its a 5 question pretest. Im not allowed to look ahead and get the gist of anything until I do my pretest.

    • one year ago
  10. cwrw238 Group Title
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    well you can try expanding each of the options util you get the original expression can you you work out (5x - 2)(x + 1) using the distributive law ?

    • one year ago
  11. Haleyy_Bugg Group Title
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    I dont know.

    • one year ago
  12. JULIANCHICO Group Title
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    the answers is B

    • one year ago
  13. cwrw238 Group Title
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    well you multiply the second bracket by 5x then by - 2: = 5x(x + 1) - 2(x + 1) can you do that?

    • one year ago
  14. cwrw238 Group Title
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    can you continue from there?

    • one year ago
  15. cwrw238 Group Title
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    @julianchico - its best not to just give the answer - but to explain how to get the answer - otherwise there is little benefit to the questioner.

    • one year ago
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