document.write( "Question 331470: how do you figure out
\n" ); document.write( "3=x^2-4x
\n" ); document.write( "

Algebra.Com's Answer #237555 by mananth(16946)\"\" \"About 
You can put this solution on YOUR website!
x^2-4x-3=0
\n" ); document.write( "use the quadratic formula to get the roots of the equation
\n" ); document.write( "a=1,b=-4,c=-3
\n" ); document.write( "..
\n" ); document.write( "x1=-(-4)+sqrt((-4)^2-4*1*(-3)))/2*1
\n" ); document.write( "x1=4+sqrt(16+12)/2
\n" ); document.write( "x1=4+sqrt28 /2
\n" ); document.write( "x1=(4+2sqrt7)/2
\n" ); document.write( "x1=2+sqrt7
\n" ); document.write( "x2=2-sqrt7
\n" ); document.write( "
\n" );