3 - __2X-2______
X^2-1
Write the expression as a fraction in simplest form.
3 minus 2x-2 over xsquared minus 1
Can anyone help?
3 - (2x+2)/(x^2-1).
LCD = x^2-1.
(3(x^2-1) -(2x+2))/(x^2-1)
(3x^2-3-2x-2)/(x^2-1)
(3x^2-2x-5)/(x^2-1)
Factor the numerator: and denominator:
((x+1)(3x-5))/(x+1)(x-1)=(3x-5)/(x-1)