Factoring Two-Variable Quadratics
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In this example, notice how we can rewrite the problem to make it much easier to work with. Again, this is very similar to factoring in one variable.
Source: Khan Academy, https://www.khanacademy.org/math/algebra-home/alg-polynomials/alg-factoring-polynomials-quadratic-forms/v/factoring-quadratics-with-two-variables-example, https://www.khanacademy.org/math/algebra-home/alg-polynomials/alg-factoring-polynomials-quadratic-forms/v/factoring-trinomials-by-grouping-1
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