03:43 duration 3 minutes 43 seconds
Finding the LCD of rational expressions with…
Finding the LCD of rational expressions with quadratic denominators
Each denominator is factored and then any common factor is used only once and all other unique factors complete the LCD
03:06 duration 3 minutes 6 seconds
Simplifying a quotient involving a sum or…
Simplifying a quotient involving a sum or difference with a square root
Demonstrations that emphasize the fact that a fraction bar acts like parentheses in that the each part of the fraction must be factored so that there is a product of factors on both top and bottomof…