OPERATIONS+WITH+RATIONAL+EXPRESSIONS

[|Excellent cite!!] Talks about multiplication, divison, addition, and subtraction. goes step by step with examples.


 * The rational numbers are all real numbers that can be written as a fraction. Similarly, rational expressions are expressions that can be written as a fraction.
 * Any //polynomial expression// is a rational expression, for example you can think of it as the polynomial divided by (the polynomial expression) 1

Solution to (a)