Week 6 Blogpost

Perfect square trinomials

Perfect trinomials are fairly easy to complete once you get the hang of simple tactics of quickly factoring/solving the equation. Perfect square trinomials are algebraic expressions/equations that are squared by the same binomial. As such, like any squared number, an easy way to identify one of its numbers/expressions is to square root the last number in the equation. Only do this if certain that it is a perfect square trinomial. eg. x² + 12x + 36. We would take the 36 and square root it, which makes 6. Then we would look at the first coefficient and see what the number is. Usually, the number is only 1 (x²), which means x was multiplied by itself once. then we form our factor. It would look like (x + 6).

Here is a link to a helpful video: 

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