document.write( "Question 151080: I dont understand how I should solve these by factoring; x^2-5x+6=0, 2x^2-9x-5=0, 3x^2+5x-2=0, could someone please help me with them? \n" ); document.write( "
Algebra.Com's Answer #111003 by mangopeeler07(462)![]() ![]() ![]() You can put this solution on YOUR website! 1. x^2-5x+6=0\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Factor \n" ); document.write( "(x-3)(x-2)=0\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Set each expression equal to 0 and solve \n" ); document.write( "x-3=0 \n" ); document.write( "x=3\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x-2=0 \n" ); document.write( "x=2\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "So x=2; 3 \n" ); document.write( "---------------------------------------------------------------------------- \n" ); document.write( "2.2x^2-9x-5=0\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Factor \n" ); document.write( "(2x+1)(x-5)=0\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Set each expression equal to 0 and solve \n" ); document.write( "2x+1=0 \n" ); document.write( "2x=-1 \n" ); document.write( "x=-1/2\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x-5=0 \n" ); document.write( "x=5\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "So x=-1/2; 5 \n" ); document.write( "-------------------------------------------------------------------------- \n" ); document.write( "3. 3x^2+5x-2=0\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Factor \n" ); document.write( "(3x-1)(x+2)=0\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Set each expression equal to 0 and solve \n" ); document.write( "3x-1=0 \n" ); document.write( "3x=1 \n" ); document.write( "x=1/3\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x+2=0 \n" ); document.write( "x=-2\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "So x=1/3; -2 \n" ); document.write( " |