find the LCM for the pair of polynomials: 7m-21 and 14m -42?

0 ⤊

a. m-3
b. 98(m-3)
c. 7(m-3)
d. 14(m-3)

2007-03-05 05:19:47 · 3 answers · asked by lana l 1 in Science & Mathematics ➔ Mathematics

7(m-3) = 7m - 21
7*2*(m-3) = 14m - 42

d. is correct

2007-03-05 05:23:40 · answer #1 · answered by MamaMia © 7 · 0⤊ 0⤋

D
Factor both polyn
7(m-3) and 14(m-3)
So the LCM = 14(m-3)

2007-03-05 13:24:10 · answer #2 · answered by PKM 2 · 0⤊ 0⤋

14.m - 42 = 14.(m - 3)
7.m - 21 = 7.(m - 3)

LCM = 14.(m - 3)

ANSWER d.

2007-03-05 13:33:38 · answer #3 · answered by Como 7 · 0⤊ 0⤋