Final answer:
To add or subtract rational expressions, find a common denominator and combine the numerators.
Step-by-step explanation:
To add or subtract rational expressions, we need a common denominator. In this case, the common denominator is 2(2x+2). Here are the steps to add/subtract the rational expressions and simplify:
- Multiply the first fraction by 2x+2/2x+2 to get (4x)/(4x+4).
- Multiply the second fraction by 2/2 to get (2(x+3))/(4x+4).
- Combine the numerators: (4x) + (2(x+3)) = 4x + 2x + 6 = 6x + 6.
- Write the sum as a single fraction over the common denominator: (6x + 6)/(2(2x+2)).
- Simplify the expression if possible. In this case, no further simplification is possible.