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Mathematics 19 Online
OpenStudy (anonymous):

(2b+1)^2 = 25

OpenStudy (anonymous):

b = 2

OpenStudy (anonymous):

what on earth?

OpenStudy (anonymous):

\[(2b+1)^2=25\] \[2b+1=5\] or \[2b+1=-5\] \[2b+1=5\] \[2b=4\] \[b=2\] \[2b+1=-5\] \[2b=-6\] \[b=-3\]

OpenStudy (anonymous):

solutions are \[\{-3,2\}\]

OpenStudy (anonymous):

square root both sides 2b+1 = +/-5 if 2b+1 = +5 b=2 if 2b+1 = -5 b = -3

OpenStudy (anonymous):

why doesnt satalite have a medal?

OpenStudy (anonymous):

Ok, calm down, I wasn't online. Thank you to alysha027 and satallite73!

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