algebra
posted by plz help .
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)
Respond to this Question
Similar Questions

math, algebra
Can someone check this for me : Find the gcf for each of the following groups of numbers: 36,64, and 180 My answer: gcf=4 Find the lcm for each of the following groups of numbers which ever method you wish:8,15, and 20 My answer: Lcm=1 … 
Math Please
My questin is If r=5z then 15z=3y, then r= I just can't seem to determine how to set this problem up. I tried subsutition but that doesn't work for me either? 
algebra
Find the LCM 10b^6 c^6, 5b^5 c^4, 14b^3 c^7 What is the LCM? 
algebra
Find the LCM 10b^6 c^6, 5b^5 c^4, 14b^3 c^7 What is the LCM? 
Algebra
Could I get some help Please!!!!!!!!! (1) Find the LCD 3/3v^23v7/3v3 (2) Find the LCM 14z^7 and 98z^8 (3) Find LCM y^3+6y^2+9y,y^26y 
Math
Find the LCM of 11(s3) and 33(s3). LCM of 11 is 11*1 LCM of 33 is 3*11 LCM is 11*3*1=33 What do I do from here? 
Algebra
I am stumped by these two LCM questions for some reason. Find The LCM for #1 2(R7) and 14(R7) #2 (1+4r), (116r^2), and (14r) It seems like #1 is already at the LCM and #2 would be (1+4r)(14r) Am I even vaguely correct? 
algebra
1.FIND THE LCM OF 10X^7 AND 50X^4 2.FIND THE LCM OF x^2 36 AND x^2 + 11x +30 3.FIND THE LCM y^3+8y^2+16y, y^2 8y 4.FIND The LCM Of 15z^2 +60z and 3z^2 + 15z +12 
algebra
1. Find the LCM of (8+7), (6449v^2), and (87v) 2. Find the LCM of 14x^7 and 98x^5 3. Find all numbers for which the rational expression is undefined 5/v9 
Math
Find the LCM and GCF of the following numbers: 1) 2016 and 756 2) 10140 and 705551 3) 17 664 and 288 4) 3960, 150 and 495 I believe the answers are: 1) LCM = 6048 GCF = 252 2) LCM = 7 154 287 140 GCF = 1 3) LCM = 52 992 GCF = 2208 …