document.write( "Question 193258: If P(x) =3x to the 3rd power + 7x squared - 2x +6, use the remainder theorem to find the remainder when this polynomial is divided by the following binomials.\r
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document.write( "x - 3\r
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document.write( "x + 2\r
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document.write( "x + 1
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document.write( "x - 5 \n" );
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Algebra.Com's Answer #145103 by RAY100(1637)![]() ![]() ![]() You can put this solution on YOUR website! P(x)=3x^3+7x^2-2x-6 \n" ); document.write( "(x-3) \n" ); document.write( "3|, 3,,7,,-2,,,,6 \n" ); document.write( ",,,,,,,,,,9,,,48,,138 \n" ); document.write( "_________________ \n" ); document.write( ",,,,,3,,16,,46,,144,,,,,REM 144\r \n" ); document.write( "\n" ); document.write( "P(3)= 3*3^3+7*3^2-2*3+6 \n" ); document.write( "p(3)=81 +63-6+6=144 \n" ); document.write( "(x+2) \n" ); document.write( "-2|,,,,3,,,,7,,,,-2,,,,6 \n" ); document.write( ",,,,,,,,,,,,,,,-6,,,-2,,,8 \n" ); document.write( "____________________ \n" ); document.write( ",,,,,,,,,3,,,,,1,,,,-4,,,14 ,,,,,rem14\r \n" ); document.write( "\n" ); document.write( "P(-2)= 3(-2)^3+7(-2)^2-2(-2)+6 \n" ); document.write( "P(-2)=-24+28+4+6=14\r \n" ); document.write( "\n" ); document.write( "(x+1) \n" ); document.write( "-1|,,,,,3,,,,7,,,,,-2,,,,6 \n" ); document.write( ",,,,,,,,,,,,,,,-3,,,,-4,,,,6 \n" ); document.write( "____________________ \n" ); document.write( ",,,,,,,,,,3,,,,4,,,,,-6,,,12,,,,,REM12 \n" ); document.write( "P(-1)= 3(-1)^3+7(-1)^2-2(-1)+6 \n" ); document.write( "P(-1)+ -3=7=2=6=12 \n" ); document.write( "(x-5) \n" ); document.write( "5|,,,,3,,,,,7,,,,,-2,,,,6 \n" ); document.write( ",,,,,,,,,,,,,15,,,110,,,540 \n" ); document.write( "_______________________ \n" ); document.write( ",,,,,,,3,,,,22,,,,108,,546,,,,,,REM 546 \n" ); document.write( "P(5)= 3(5)^3=7(5)^2-2(5)+6 \n" ); document.write( "P(5)=375+175-10+6=546\r \n" ); document.write( "\n" ); document.write( "instructor probably just wanted you to recognize remainder theorem, and calc P(x)\r \n" ); document.write( "\n" ); document.write( "please excuse all the commas, just trying to allign numbers \n" ); document.write( " |