Hi there,

This video should give you more information on factoring a quadratic function with a nonzero leading coefficient: https://www.khanacademy.org/math/algebra/quadratics/solving-quadratic-equations-by-factoring/v/solving-quadratics-by-dividing-and-factoring

You might also be able to find more good information throughout the whole quadratics unit: https://www.khanacademy.org/math/algebra/quadratics

Hope this helps! Let me know if you have any further questions!
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