document.write( "Question 251237: find the real roots of the equation: {{81-9x^2=0}} \n" ); document.write( "
Algebra.Com's Answer #182955 by vksarvepalli(154)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( " so \n" ); document.write( "that gives \n" ); document.write( "\n" ); document.write( "so (x-3)(x+3)=0\r \n" ); document.write( "\n" ); document.write( "so the real roots are 3 and -3 \n" ); document.write( " |