Examples of Math Problems
examples of math problems that I like, solved, etc.
Thursday, May 16, 2013
Evaluate (1+x)^2=
FOIL is really popular, but I prefer straight distribution:
(1+x)^2=
(1+x)(1+x)=
1(1+x)+x(1+x)=
1+x+x+x^2=
1+2x+x^2
:)
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