SOLUTION: What is the LCM of: 28xy(exponent 2), 42x(exponent 2)y

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: What is the LCM of: 28xy(exponent 2), 42x(exponent 2)y      Log On


   



Question 417125: What is the LCM of:
28xy(exponent 2), 42x(exponent 2)y

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
What is the LCM of:
28xy(exponent 2), 42x(exponent 2)y
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28xy^2 and 42x^2y
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Prime-factor form:
2^2*7xy^2
2*3*7x^2y
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The LCM must have each of the prime
factors in its highest power. So
the LCM is:
2^3*7x^2y^2 = 56x^2y^2
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Cheers,
Stan H.
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