document.write( "Question 1088858: If x+2 is a factor of x^3 - ax- 6,then find the remainder when 2x^3+ax^2-6x+9 is divided by x+1.
\n" ); document.write( "Please help me with this question.
\n" ); document.write( "Thank You. \n" ); document.write( "

Algebra.Com's Answer #703246 by josgarithmetic(39618) $\"\"$ $\"About$

You can put this solution on YOUR website!
A root of $\"x%5E3-ax-6\"$ is $\"-2\"$ .\r
\n" ); document.write( "\n" ); document.write( "

\r\n" );
document.write( "-2    |   1   0   -a     -6\r\n" );
document.write( "      |\r\n" );
document.write( "      |      -2   4    -8+2a\r\n" );
document.write( "      |_____________________________\r\n" );
document.write( "          1   -2   4-a   2a-14\r\n" );
document.write( "

\n" ); document.write( "The remainder must be zero, 0.
\n" ); document.write( " $\"cross%28a-14=0%29\"$
\n" ); document.write( " $\"2a-14=0\"$
\n" ); document.write( " $\"a-7=0\"$
\n" ); document.write( " $\"highlight_green%28a=7%29\"$ .\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Now you want the synthetic division of $\"2x%5E3%2B7x%5E2-6x%2B9\"$ divided by $\"x%2B1\"$ . \n" ); document.write( "

\n" );