02:45 duration 2 minutes 45 seconds
Complex fraction with negative exponents: Problem…
Complex fraction with negative exponents: Problem type 2
This demonstrates how to convert negative exponents in a complex fraction to the reciprocal positive exponents and then use the LCD of all fractions to simplify.
04:13 duration 4 minutes 13 seconds
Finding the LCD of rational expressions with…
Finding the LCD of rational expressions with quadratic denominators
Factoring quadratics to find the LCD of two fractions in algebra
01:42 duration 1 minute 42 seconds
Combining like terms in a quadratic expression
Adding like terms when there are squared variables as well as single variables in the expression