document.write( "Question 264297: 3a^2+a-10>0
\n" );
document.write( "we are using delta = b^2-4*a*c
\n" );
document.write( "my solution to this equation is [-5/2,3} the book says the solution is (-oo,-2)U(5/3,oo)
\n" );
document.write( "please help me find what I am doing wrong
\n" );
document.write( " \n" );
document.write( "
Algebra.Com's Answer #194596 by mananth(16946)![]() ![]() You can put this solution on YOUR website! 3a^2+a-10>0 \n" ); document.write( "we are using delta = b^2-4*a*c \n" ); document.write( "my solution to this equation is [-5/2,3} the book says the solution is (-oo,-2)U(5/3,oo) \n" ); document.write( "please help me find what I am doing wrong\r \n" ); document.write( "\n" ); document.write( "3a^2+a-10>0 \n" ); document.write( "3a^2+6a-5a-10>0\r \n" ); document.write( "\n" ); document.write( "3a(a+2)-5(a+2)>0\r \n" ); document.write( "\n" ); document.write( "(a+2)(3a-5)>0 \r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |