Question 338452
First, this is not an equation (there's no equals sign). So is there a typo or something missing?



Also, are there supposed to be any variables (like 'x') here?



If it's just {{{(7-5)^2}}}, then



{{{(7-5)^2=2^2=4}}}


or...



{{{(7-5)^2=7^2-2*7*5+5^2=49-70+25=4}}}