Question 734608
{{{(2sqrt(5)+3sqrt(7))^2}}}


{{{(a+b)^2= a^2+2ab+b^2}}}


{{{ (2sqrt(5))^2+2*2sqrt(5)*3sqrt(7)+(3sqrt(7))^2}}}



{{{4*5 +12sqrt(35)+9*7}}}


{{{83+12sqrt(35)}}}