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Mathematics 23 Online
OpenStudy (anonymous):

Factor: x2 - 9x + 12 a: (x + 1)(x - 12) b: (x - 2)(x + 6) c: (x - 2)(x - 6) d: prime

OpenStudy (anonymous):

it's d

OpenStudy (welshfella):

you need 2 numbers a and b where a times b = +12 and a + b = -9

OpenStudy (anonymous):

it's d right

OpenStudy (welshfella):

yes - no such integers exist so it cant be factored and is prime

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