document.write( "Question 124554: 6x^2+5xy-21y^2 \n" ); document.write( "
Algebra.Com's Answer #91286 by edjones(8007)![]() ![]() You can put this solution on YOUR website! 6x^2+5xy-21y^2 \n" ); document.write( "6*-21=-126 multiply the 1st and last coeficients. \n" ); document.write( "-9, 14 factors of =126 whose sum is 5. \n" ); document.write( "6x^2-9xy+14xy-21y^2 \n" ); document.write( "3x(2x-3y)+7y(2x-3y) Factoring by grouping. \n" ); document.write( "(3x+7y)(2x-3y) \n" ); document.write( ". \n" ); document.write( "Ed \n" ); document.write( " |