Combine the numerators over the common denominator.

Apply the distributive property.

Multiply by .

Multiply by .

Add and .

Add and .

Factor out of .

Factor out of .

Factor out of .

Rewrite as .

Factor out of .

Simplify the expression.

Rewrite as .

Move the negative in front of the fraction.

Subtract (-6x^2+x-3)/(x^2+9)-(-2x-4)/(x^2+9)