document.write( "Question 659726: How would I complete a question like (r3 + r2)^2 \n" ); document.write( "
Algebra.Com's Answer #410907 by ReadingBoosters(3246)![]() ![]() ![]() You can put this solution on YOUR website! Starting with (r3 + r2)^2 \n" ); document.write( "(r3 + r2)(r3 + r2) \n" ); document.write( "Use FOIL - first, outside, inside, last \n" ); document.write( "9r^2 + 6r^2 + 6r^2 + 4r^2 \n" ); document.write( "25r^2 \n" ); document.write( "Alternatively \n" ); document.write( "(r3 + r2) is 5r, so (5r)^2 = 25r^2 \n" ); document.write( " |