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Mathematics 15 Online
OpenStudy (anonymous):

Is this correct ? Factor: x2 - 24x + 144 (x - 12)(x + 12)

OpenStudy (anonymous):

no

OpenStudy (anonymous):

(x-12)^2

OpenStudy (anonymous):

why is that ?

OpenStudy (anonymous):

(x-12)(x-12) x^2-12x-12x+(12)(12) =x^2-24x+144

OpenStudy (karatechopper):

neg times a neg=positive

OpenStudy (anonymous):

just do it backward to see if or not you get right

OpenStudy (anonymous):

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