document.write( "Question 750390: how do you find the product of (9x-7)(9x+4) \n" ); document.write( "
Algebra.Com's Answer #456550 by tommyt3rd(5050)![]() ![]() You can put this solution on YOUR website! Distribution is the property that allows us to multiply polynomials\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "(9x-7)(9x+4)=\r \n" ); document.write( "\n" ); document.write( "9x(9x+4)-7(9x+4)=\r \n" ); document.write( "\n" ); document.write( "81x^2+36x-63x-28=\r \n" ); document.write( "\n" ); document.write( "81x^2-27x-28=\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( ":) \n" ); document.write( " |