S socachutney New member Joined Nov 14, 2007 Messages 2 Nov 14, 2007 #1 Find the LCM of X2 + X -6 and X2 + 8X + 15. The X is squared. Thanks

S Subhotosh Khan Super Moderator Staff member Joined Jun 18, 2007 Messages 18,134 Nov 14, 2007 #2 Hint: Those two are quadratic expressions. Factorize those. - and then find LCM

J jwpaine Full Member Joined Mar 10, 2007 Messages 723 Nov 14, 2007 #3 Re: Please help me find the LCM socachutney said: Find the LCM of X2 + X -6 and X2 + 8X + 15. The X is squared. Thanks Click to expand... Hint: start by factoring: \(\displaystyle \L (x^2 + x - 6)\) and \(\displaystyle \L (x^2 + 8x + 15)\) = \(\displaystyle \L \(x-2)(x+3)\) and \(\displaystyle \L (x+3)(x+5)\)

Re: Please help me find the LCM socachutney said: Find the LCM of X2 + X -6 and X2 + 8X + 15. The X is squared. Thanks Click to expand... Hint: start by factoring: \(\displaystyle \L (x^2 + x - 6)\) and \(\displaystyle \L (x^2 + 8x + 15)\) = \(\displaystyle \L \(x-2)(x+3)\) and \(\displaystyle \L (x+3)(x+5)\)