Factor using Crisscross Part 1
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Lesson Description:
Shows a way to factor quadratics with leading coefficient not equal to 1 using trial factors using a criss-cross method.
More free YouTube videos by Julie Harland are organized at http://yourmathgal.com
Questions answered by this video:
- How do you factor trinomials?
- How do you factor a trinomial with a leading coefficient?
- What is the crisscross method of factoring?
- How do you factor trinomials using the crisscross method?
- How do you factor 4x^2 + 5x - 6?
- How do you factor 6x^2 - 13x + 6?
- How do you factor 6x^2 - 19x - 7?
- How can you easily find the correct factors when factoring a trinomial?
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Staff Review
This is a great lesson to watch to learn how to factor trinomials with a leading coefficient. These trinomials can be difficult to factor because there can be so many possibilities, but this lesson does a great job of explaining a method for finding factors by eliminating certain numbers and testing the factors out without actually multiplying the binomials.
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