document.write( "Question 221399: 2x to the 2nd power - 5x -6xy plus 15y \n" ); document.write( "
Algebra.Com's Answer #166080 by likaaka(51)![]() ![]() ![]() You can put this solution on YOUR website! 2x^2 - 5x - 6xy + 15y \n" ); document.write( "First we group terms, this can be tricky since at times the terms that should be grouped to simplify are not already given close by \n" ); document.write( "So to group just add parentheses \n" ); document.write( "(2x^2 - 5x)+(- 6xy + 15y), now factor each parenthesis \n" ); document.write( "((2x^2 - 5x)/(x))+((- 6xy + 15y)/(-3y), simplify \n" ); document.write( "x(2x - 5)-3y(2x - 5) now we have similar factors (2x-5) \n" ); document.write( "I think the best way to see this is to rename 2x-5, lets call it C for now and the result looks like this xC - 3yC \n" ); document.write( "Now we factor out the C \n" ); document.write( "(xC)/C + (-3yC)/C \n" ); document.write( "C(x-3y) \n" ); document.write( "Replace C with its original value 2x-5 \n" ); document.write( "(2x-5)(x-3y) is your answer \n" ); document.write( " |