jlmack07
find the lcm
x^2+5x,x^2-5x
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pratu043
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First, factorise the two expressions. Can you do that?
pratu043
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Are you there @jlmack07
jlmack07
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x2(x+5)(x-5) is that close?
pratu043
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Are you telling that's the lcm?
pratu043
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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.
jlmack07
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well both but lets check the answer for now
pratu043
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Just a minute.
pratu043
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|dw:1346049381560:dw|
pratu043
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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:
\[x(x + 5)(x - 50)\]
pratu043
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Sorry (x - 5).
jlmack07
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thank you