(r+1)(3r+9)=(2r+2) = $(2r+2)^{2}$
Mathbot Says...
I wasn't able to parse your question, but the HE.NET team is hard at work making me smarter.
(r+1)(3r+9)=(2r+2) = $(2r+2)^{2}$
I wasn't able to parse your question, but the HE.NET team is hard at work making me smarter.