Question 153706
{{{(a+b)^2 = a^2+2ab+b^2 <> a^2+b^2}}} 
Numerical example:
{{{(5+7)^2 = (12)^2}}} = {{{144}}}
{{{5^2+7^2 = 25+49}}} = {{{74}}} and {{{144 <> 74}}}