could somebody help me with these problems?

3 ⤊

could somebody help me with these problems?

Simplify the rational expression 1-3

1. x^2-8x+12
X^2+3x-10 =

2. x+3
X^2+5x+6 =

3. x^2-25
X^3-125 =

2007-04-28 21:24:56 · 2 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics

2 answers

Asssuming these to be fractions,
1. (x^2 - 8x + 12) / (X^2 + 3x - 10) =
(x + 6)(x - 2) / (x - 2)(x + 5) =
(x + 6) / (x + 5)

2. (x + 3) / (x^2 + 5x + 6) =
(x + 3) / (x + 3)(x + 2) =
1 / (x + 2)

3. (x^2 - 25) / (x^3 - 125) =
(x + 5)(x - 5) / (x - 5)(x^2 + 5x + 25) =
(x + 5) / (x^2 + 5x + 25)

2007-04-28 21:57:33 · answer #1 · answered by Helmut 7 · 1⤊ 0⤋

home work?

2007-04-28 21:28:34 · answer #2 · answered by exo 7 · 2⤊ 0⤋