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Mathematics 4 Online
OpenStudy (kayleruthless):

Which shows the factored form of x2 – 12x – 45? (x + 3)(x – 15) (x – 3)(x – 15) (x + 3)(x + 15) (x – 3)(x + 15)

TheSmartOne (thesmartone):

Split the middle term Find the two numbers that multiply to -45 and add to -12

OpenStudy (mattpatt3):

(x + 3)(x – 15)

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