Algebra Review 4.9 - Factoring

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Algebra Review Lesson 4, Part 9
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Yes, you can often use complex numbers to factor expressions that couldn't otherwise be factored. We learn about that in Algebra 2 and Precalculus. This video is a part of a review of Algebra 1, though, and we don't do any complex number work in Algebra 1.

derekowens
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couldn't you reduce example 7 to (x+3) squared?

reevesss