document.write( "Question 1145882: If ( x+3y)^2=x^2+9y^2+42 what is the value of x^2y^2 \n" ); document.write( "
Algebra.Com's Answer #767150 by math_helper(2461)![]() ![]() You can put this solution on YOUR website! 49\r \n" ); document.write( "\n" ); document.write( "--------- \n" ); document.write( "Expand (x+3y)^2 then compare term by term with x^2+42+9y^2 and it will be clear. \n" ); document.write( " |