document.write( "Question 452424: factor and name the roots of P(x)=X3+X2-4x-4 \n" ); document.write( "

Algebra.Com's Answer #310994 by MathLover1(20849) $\"\"$ $\"About$

You can put this solution on YOUR website!
\r
\n" ); document.write( "\n" ); document.write( " $\"P%28x%29=x%5E3%2Bx%5E2-4x-4\"$ ...group first two and second two terms\r
\n" ); document.write( "\n" ); document.write( " $\"P%28x%29=%28x%5E3%2Bx%5E2%29-%284x%2B4%29\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"P%28x%29=x%5E2%28x%2B1%29-4%28x%2B1%29\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"P%28x%29=%28x%5E2-4%29%28x%2B1%29\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"P%28x%29=%28x%5E2-2%5E2%29%28x%2B1%29\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"P%28x%29=%28x-2%29%28x%2B2%29%28x%2B1%29\"$ .......set $\"P%28x%29=0\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"0=%28x-2%29%28x%2B2%29%28x%2B1%29\"$ ....if at least one of multipliers is equal to zero, whole product will be equal to zero; so, the roots are:\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " $\"x-2=0\"$ .......->.... $\"x=2\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"x%2B2=0\"$ .......->.... $\"x=-2\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"x%2B1=0\"$ .......->.... $\"x=-1\"$ \r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

\n" );