SOLUTION: how to solve b2+b=2

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Question 462182: how to solve b2+b=2
Answer by kaushik31(2) About Me  (Show Source):
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b2+b-2=0
b2+2b-b-2=0
b(b+2)-1(b+2)=0
(b+2)(b-1)=0
if(b-1)=/ 0
b+2=0
therefore,b=-2..............(1)
if(b+2)=/ 0
(b-1)=0
b=1...............(2)
therefore, b=1,-2