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Mathematics 11 Online
OpenStudy (anonymous):

how do you factor x^2-x-12

hero (hero):

Hint: -4 x 3 = -12 x^2 - 4x + 3x - 12

hero (hero):

x(x-4) + 3(x-4)

hero (hero):

(x - 4)(x + 3)

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