# Algebra

Simplifing rational expressions
Simplify the expression & state any excluded values:
(2s^2 - 5s - 12) / (2s^2 - 9s + 4)

1. 👍 0
2. 👎 0
3. 👁 191
1. 2s^2-9s+4 = (2s-1)(s-4)
so the denominator is zero when x = 1/2 or 4

2s^2-5s-12 = (2s+3)(s-4)

so, I guess it's clear now what the simplified quotient is, eh?

1. 👍 0
2. 👎 0
2. I should know, eh? Thanks, Steve

1. 👍 0
2. 👎 0

## Similar Questions

1. ### Algebra2

Simplify the rational expression. State any restrictions on the variable. (n^4-11n^2+30)/(n ^4 -7n^2+10) My answer is n^2-6/n^2-2 except +-sqrt5 and +-sqrt2

2. ### Algebra 1

What is the excluded value of the rational expression? 2x+6 / 4x-8

3. ### urgent math

1. Simplify the expression 7^9/7^3 a.7^3*** b.7^6 c.7^12 d.1^6 2. Simplify the expression z^8/z^12 a.z^20 b.z^4 c.1/z^-4 d.1/z^4 3. Simplify the expression (-3^4)/(-3^4 a.(-3)^1 b.0 c.1 d.(-3)^8 4.Which expressions can be

4. ### Last questions Ms. Sue please for math

1. To which subset(s) does the number √42 belong? Rational numbers Irrational numbers Whole numbers, integers, rational numbers While numbers, natural numbers, integers 2. Evaluate the following expression for the values given.

1. ### math

Algebra 1.) Use the distributive Property to simplify the expression . (-1)(4 - c) A. 4 - c B. -4 + c C. 4 + c D.-4 - c 2.)Use the distributive Property to simplify the expression 4(2x - 4) A.8x + 4 B.8x - 4 C.8x - 16 D.4x - 16

2. ### Algebra

Simplify the rational expression. State any restrictions on the variable. t^2+4t-12/t^2-4

3. ### algebra

Simplify the rational expression state any restrictions on the variable t^2+2t-24 / t^2-36 I got t-4 / t-6, but Im not sure of the restrictions whether its 6 or -6,6

4. ### math

need to simplify the rational expression plus find the excluded value 3c+33/c+11

1. ### math

Simplify the rational expressions. State any excluded values. Show your work. 8.3x-6/x-2 9.x-2/x^2 +3x-10 please.

2. ### Algebra 1

Simplify using long division. (remember to show all your work.) 3. (72-8x^2+4x^3-36x)/(x-3) 4. (8b^3-6)/(2b-1) simplify the expression, if possible. state the excluded values, if any. 5. 10x^2-25X+15^5x-5 6.2w^2-18^w^2+6w+9

3. ### Math

Simplify each expression and state any non-permissible values. (4 marks - show your work) x^2-2x divided by x+1 multiplied by x^2-1 divided by x^2+x-6 is the expression

4. ### algebra

Find the LCD for the given rational expressions, and convert each rational expression into an equivalent rational expression with the LCD as the denominator. 4/x-y , 5/2y-2x