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Shannon20150

  • 3 years ago

Which of the following is the complete factorization of 3x2 - 6x - 240? 3(x - 2)(x - 80) 3(x + 8)(x - 10) 3x(x - 2)(x - 10) Help me please

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  1. jim_thompson5910
    • 3 years ago
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    3x^2 - 6x - 240 3(x^2 - 2x - 80) Now factor x^2 - 2x - 80

  2. Shannon20150
    • 3 years ago
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    is it the 1st one

  3. dietrich_harmon
    • 3 years ago
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    YES THE FIRST ONE

  4. jim_thompson5910
    • 3 years ago
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    what two numbers multiply to -80 AND add to -2

  5. jim_thompson5910
    • 3 years ago
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    no it's not the first one

  6. Shannon20150
    • 3 years ago
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    2

  7. dietrich_harmon
    • 3 years ago
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    3x^2 - 6x - 240 => 3 ( x^2 - 2x - 80 ) => 3 ( x + 8 )( x - 10 )

  8. Shannon20150
    • 3 years ago
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    so the 2nd one

  9. dietrich_harmon
    • 3 years ago
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    yup

  10. Shannon20150
    • 3 years ago
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    okay will u hel me again if not that's okay and thank yal

  11. Shannon20150
    • 3 years ago
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    ****help

  12. dietrich_harmon
    • 3 years ago
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    sure i need help on mine too..lol

  13. Shannon20150
    • 3 years ago
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    @ me on there

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