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find all solutions by factoring c^2+9c+20=0
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what two numbers can be multiplied to get 20 and added to get 9?
C = -5 and C= -4 Once you factor it out it will be (C+5) (C+4)
-4 and 5
actually the 2 numbers for factoring are 5 and 4 as MAMitchell said, but the solutions are -5 and -4.
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