# math

posted by .

7x - 13
-------
x^2 - 16

The restrictions are that x cannot equal 4 or -4.
The denominator of a fraction cannot equal 0.

I hope this helps and is what you were asking.

## Similar Questions

1. ### math

Please help! Simplify the rational expression. State any restrictions on the variable. 6c^2+9c ------- 3c divide 3c into each of the numerator terms. 2c + 3 Another way: Factor the numerator to get 3c(2c + 3) now you have 3c(2c + 3)/3c= …
2. ### algebra

What is the quotient in simpliest form? State any restrictions on the variable. x+2/x-1 divided by x+4/x^2+4x-5. My answer (x+2)(x+5)/x+4; don't get the restriction part either -5,-4 or 1,-4,-5 Can someone please help?
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. ### algebra

What is the product in simpliest form state any restrictions on the variable x^2+7x+10 / x+3 times x^2-3x-18 / x^2+x+2 I got (x+5)(x-6) / x-1, not sure on restrictions either 1 or -3,-2, and 1
5. ### algebra

what is the quotient in simpliest form state the restrictions on the variable z^2-4/z-3 divided z+2/z^2+z-12 i got z^2+2x-8 but am not sure of the restrictions maybe 3,-2
6. ### Math algebra 1

Hi I really need help! State any restrictions on the variables. 4x-2x^2 over x-2 A. x does not equal 2 and x does not equal –2 B. x does not equal –2 C. x does not equal 2 D. no restrictions are needed