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math, simplify

2007-11-26 08:16:51 · 4 answers · asked by Dee Dee 1 in Science & Mathematics Mathematics

4 answers

Again you have a difference of squares (t² - 4) in the denominator which becomes (t - 2)(t + 2).

But unless you meant to write (t + 2) in the numerator, the best you can do is:
t + 3
---------
(t - 2)(t + 2)

2007-11-26 08:21:09 · answer #1 · answered by Puzzling 7 · 0 0

is it

t + 3/t^2 -4 ; or

t +3/(t^2 -4) ?

Use parentheses!

2007-11-26 16:20:38 · answer #2 · answered by Any day 6 · 0 0

(t+3)/(t^2) -4
=t+3/(t^2)-(2^2)
as from fomula, a^2-b^2=(a+b)(a-b)
therefore,
=(t+3)/(t+2)(t-2)

2007-11-26 16:28:48 · answer #3 · answered by pink 2 · 0 0

t+ 3/ t^2 -4
t+ 3/ t^2 -(2)^2
(t+ 3)/ (t+2)(t-2)

2007-11-26 16:25:49 · answer #4 · answered by Siva 5 · 0 0

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