document.write( "Question 521373: what is the factor of binomial 9x^4-81y^2 \n" ); document.write( "
Algebra.Com's Answer #346461 by mananth(16946)![]() ![]() You can put this solution on YOUR website! 9x^4-81y^2\r \n" ); document.write( "\n" ); document.write( "(3x^2)^2-(9y)^2\r \n" ); document.write( "\n" ); document.write( "(3x^2+9y)(3x^2-9y)\r \n" ); document.write( "\n" ); document.write( "3*3(x^2+3y)(x^2-3y) \n" ); document.write( " |