08:09 duration 8 minutes 9 seconds
Solving a quadratic equation by completing the…
Solving a quadratic equation by completing the square: Exact Answers
Two examples are shown here, one relatively easy, then one with some fractions involved.
01:40 duration 1 minute 40 seconds
Factoring a perfect square trinomial with leading…
Factoring a perfect square trinomial with leading coefficient 1
One of the simpler factoring techniques if you know what you are looking for.