Khan Academy Algebra 2 Factoring
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Expanded factor it, and then the zeros. When a polynomial is given in factored form, we can quickly find its zeros.
Also perform prime factorization on a monomial. We can factor quadratics by first pulling out a common so the result looks like a(x+b)(x+c). Factor 4x+18 as 2(2x+9).
Expanded factor it, and then the zeros. This video is an overview of how to factor polynomials. If we know one linear factor of a higher degree polynomial, can use polynomial division to find other factors the polynomial.
Methods used include sum & difference cubes, grouping, and factoring quartic if you w. When a polynomial is given in factored form, we can quickly find its zeros.
