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Mathematics 29 Online
OpenStudy (nickymail48):

equivilant expression by factoring r(c-4)+t(c-4)

OpenStudy (idealist10):

r(c-4)+t(c-4) =(c-4)(r+t) Answer: (c-4)(r+t) This method is called "Factor by grouping."

OpenStudy (idealist10):

Thanks for the medal.

OpenStudy (nickymail48):

no problem

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