Question 527393
{{{x}}} can be any number, so
if you pick a number, say {{{7}}},
then
{{{ x = 7 }}}
{{{ x^2 = x*x }}}
{{{ 7^2 = 7*7 }}}
and
{{{ 7*7 = 49 }}}
In other words, to square something 
is to multiply it by itself
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