Introductory Algebra for College Students (7th Edition)

To simplify, divide both the numerator and denominator by their greatest common factor. Use the distributive property to find the GCF. $\frac{5x-10}{x-2}=\frac{5(x-2)}{x-2}=\frac{5(x-2)\div(x-2)}{(x-2)\div(x-2)}=\frac{5}{1}=5$