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jlmack07

  • 3 years ago

find the lcm x^2+5x,x^2-5x

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  1. pratu043
    • 3 years ago
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    First, factorise the two expressions. Can you do that?

  2. pratu043
    • 3 years ago
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    Are you there @jlmack07

  3. jlmack07
    • 3 years ago
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    x2(x+5)(x-5) is that close?

  4. pratu043
    • 3 years ago
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    Are you telling that's the lcm?

  5. pratu043
    • 3 years ago
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    I need to know whether you want to check your answer or whether you want to know how to do the sum.

  6. jlmack07
    • 3 years ago
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    well both but lets check the answer for now

  7. pratu043
    • 3 years ago
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    Just a minute.

  8. pratu043
    • 3 years ago
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    |dw:1346049381560:dw|

  9. pratu043
    • 3 years ago
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    highest power of the factor x is 1(in both) highest power of the factor (x + 5) is also 1(in the first one) highest power of the factor (x - 5) is also 1(in the second one) So the LCM would be: \[x(x + 5)(x - 50)\]

  10. pratu043
    • 3 years ago
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    Sorry (x - 5).

  11. jlmack07
    • 3 years ago
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    thank you

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