Factoring General Polynomials
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Watch these two videos. The first video explains that factoring a trinomial requires two steps. First, a common monomial factor is factored out, and then the resulting polynomial is factored by grouping. The second video also shows an example of a multi-step factoring process: factoring out a common monomial and then using the difference of cubes formula.
Source: Khan Academy, https://youtu.be/d-2Lcp0QKfI, https://www.khanacademy.org/math/algebra-home/alg-polynomials/alg-advanced-polynomial-factorization-methods/v/difference-of-cubes-factoring
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