document.write( "Question 1173127: 1. 1. Solve the quadratic equation
\n" ); document.write( "x^2 − 2x − 3 = 0.\r
\n" ); document.write( "\n" ); document.write( "2. Factor 3x^3 − 12x
\n" ); document.write( "3. Rationalize 5/3\sqrt{x} \n" ); document.write( "

Algebra.Com's Answer #798288 by ikleyn(52781) $\"\"$ $\"About$

You can put this solution on YOUR website!
.
\n" ); document.write( "

\r\n" );
document.write( "\r\n" );
document.write( "(1)  Solve by factoring\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "         x^2 - 2x - 3 = 0\r\n" );
document.write( "\r\n" );
document.write( "         (x-3)*(x+1) = 0\r\n" );
document.write( "\r\n" );
document.write( "         The roots are  x= 3  and  x= -1.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "(2)  Take factor (3x) out\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "         3x^3 - 12x = 3x(x^2 - 4) = 3x*(x-2)*(x+2)\r\n" );
document.write( "

\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

\n" );