Math help.?

1 ⤊

Find the lcd help!!!?
find the lcd for the list of rational exprssions

4/x^2+8x+12, 2x-7/x^2-x-6

2007-11-20 12:56:19 · 3 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics

3 answers

I think it's 88.6666666666.

2007-11-20 12:57:51 · answer #1 · answered by Skate4Life 4 · 0⤊ 0⤋

x^2+8x+12=(x+6)(x+2)
x^2-x-6=(x-3)(x+2)

lcd = (x+6)(x+2)(x-3)

2007-11-20 21:00:35 · answer #2 · answered by norman 7 · 1⤊ 0⤋

(x+6)(x+2)(x-3)
because
you factor the denominator of both expressions
the 1st one factors to:
(x+6)(x+2)
the 2nd one factors to:
(x-3)(x+2)
so then you take what they both have in common multiplied by what's left over

2007-11-20 21:01:50 · answer #3 · answered by Anonymous · 0⤊ 0⤋