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K2-4K-21. How do you factor this
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Nov 9, 2018
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K2-4K-21. How do you factor this
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AlanKley
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assuming yo mean
k²-4k-21
factor by doing
what 2 numbers multipily to get -21 and add to get -4?
-7 and 3
(k-7)(k+3) is factored
AhmadMarafa
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Nov 14, 2018
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AhmadMarafa
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