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Mathematics 21 Online
OpenStudy (anonymous):

Factor x2 + 9x + 20

OpenStudy (anonymous):

check it: http://www.bescientist.info/factor-quadratic-equation/

OpenStudy (anonymous):

Look for two numbers that add up to 9, and when multiplied give 20

OpenStudy (anonymous):

(x + 4)(x + 5)

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