document.write( "Question 1133536: What should be added to 6x^3+13x^2+4x+20, so that it becomes exactly divisible by 2+x^2? Solve through synthetic division
\n" ); document.write( "-8x+6
\n" ); document.write( "-8x-6
\n" ); document.write( "8x-6
\n" ); document.write( "8x+6
\n" ); document.write( "

Algebra.Com's Answer #750772 by MathLover1(20849)\"\" \"About 
You can put this solution on YOUR website!
............(\"6x%2B13\"
\n" ); document.write( " \"x%5E2%2B2\"|\"6x%5E3%2B13x%5E2%2B4x%2B20\"
\n" ); document.write( "
\n" ); document.write( "..............\"6x%5E3%2B12x\" .....subtract\r
\n" ); document.write( "\n" ); document.write( "...................\"13x%5E2-8x%2B20+\" \r
\n" ); document.write( "\n" ); document.write( "...................\"13x%5E2%2B0%2Ax%2B26+\" \r
\n" ); document.write( "\n" ); document.write( ".........................\"-8x-6+\" => reminder \r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"6x%5E3%2B13x%5E2%2B4x%2B20=6+x+%2B+13%2B%28-8x-6%29%2F%28x%5E2%2B2%29\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "answer: for \"6x%5E3%2B13x%5E2%2B4x%2B20\" to become exactly divisible by \"2%2Bx%5E2\" we should to add reminder:\r
\n" ); document.write( "\n" ); document.write( "\r
\n" ); document.write( "\n" ); document.write( "\r
\n" ); document.write( "\n" ); document.write( "now, move \"-%288x%2B6%29%2F%28x%5E2%2B2%29\" to the left\r
\n" ); document.write( "\n" ); document.write( " \r
\n" ); document.write( "\n" ); document.write( "\"6x%5E3%2B13x%5E2%2B4x%2B20%2B8x%2B6=%286x%2B13%29%28x%5E2%2B2%29\" \r
\n" ); document.write( "\n" ); document.write( "so, we added \"8x%2B6+\", and we have
\n" ); document.write( " \r
\n" ); document.write( "\n" ); document.write( " \"+6+x%5E3+%2B+13+x%5E2+%2B+12+x+%2B+26+=+%286+x+%2B+13%29+%2A+%28x%5E2+%2B+2%29+%2B+0\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "
\n" ); document.write( "
\n" );