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posted by plz help on Thursday, May 31, 2012 at 9:16am.

15z^2+45z and 5z^2+40z+75 find Lcm

15z^2+45z =15z(z+3) 5z^2+40z+75 = 5(z^2 + 8z +15) = 5(z+5)(z+3) LCM = 15z(z+3)(z+5)

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