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Mathematics 13 Online
OpenStudy (anonymous):

step by step how do u factor this Quad function: -5k^2 + 45k + 50

OpenStudy (anonymous):

take out the 5 ,

OpenStudy (anonymous):

probably better to take out -5

OpenStudy (anonymous):

-5(k^2 -9k -10) = -5(k-10)(k+1)

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