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Quandaries & Queries
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 Topic: decomposition
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 The LCM of 6,15 and x is 90 2011-10-30 From Richie:Hi there, There are 2 parts to the question. #1. Factorise 90. This is easy, 90=2x3x3x5 #2 LCM of 6,15 and x is 90. What are possible values of x if x is odd? From #1, since 90=6x15, how can this be used to work out possible values of x? Thanks in advance, RichieAnswered by Penny Nom. Factoring a trinomial 2007-03-27 From Kim:Hi, could you please help me solve this. 3x(squared) +20x - 7Answered by Leeanne Boehm. Making a square 2003-09-07 From A student:if I am given any number (say 80 for example), how may I determine the smallest whole number integer which when multipled by it will yield a square number ? In other words if I express this as: 80İ*İnİ=İsquareİnumber, what is the least value of n which will yield a square.Answered by Penny Nom.

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