Add and Subtract Rational Expressions with a Common Denominator In the following exercises, perform the indicated operations.

Step-by-step explanation:

Simplifying Rational Expressions

If two or more rational expressions have the same denominator, the add and subtract operations are done only with the numerator. The final denominator will be the common of both.

The expression is:

Operating on the numerators:

Removing parentheses:

Simplifying:

The expression cannot be further simplified.

no association

step-by-step explanation:

if you have eyes and you can use them efficiently you can see that it just looks like random dots like do a line of best fit and like they're so spread out it's such a weak association you might as well consider it nonexistent

my guess would be b and d, but i didn’t actually get out the pen and paper. lol