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kiss69fist23

  • 4 years ago

Factor by grouping xy - 3x - 8y + 24

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  1. TuringTest
    • 4 years ago
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    (x-8)(y-3)

  2. kiss69fist23
    • 4 years ago
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    how did u get that turing test?

  3. raheen
    • 4 years ago
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    xy - 3x - 8y + 24 = y(x-8) -3(x-8) \[=(x-8)(y-3)\]

  4. raheen
    • 4 years ago
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    hope that helps.

  5. kiss69fist23
    • 4 years ago
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    thank u i actually have 2 more cud u help me with them?

  6. kiss69fist23
    • 4 years ago
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    4x^2 + 20x + 5y +xy

  7. TuringTest
    • 4 years ago
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    hmmm not quite the same I'll have to think about it....

  8. kiss69fist23
    • 4 years ago
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    its ok i got it

  9. TuringTest
    • 4 years ago
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    (4x+y)(x+5)

  10. raheen
    • 4 years ago
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    4x^2 + 20x + 5y +xy = 4x(x+5) +y(x+5) =(x+5)(4x+y)

  11. TuringTest
    • 4 years ago
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    i just make the parenthesis first, then put in the signs. after that you can see the which numbers go where by looking at the coefficients

  12. TuringTest
    • 4 years ago
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    probably not the way teachers show it though...

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