document.write( "Question 550130: The polynomials (ax^3 + 3x^2 - 3) and (2x^3 - 5x + a) when
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document.write( "divided by (x - 4) leaves the same reminder. What is
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document.write( "the value of a? \n" );
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Algebra.Com's Answer #358583 by lwsshak3(11628)![]() ![]() ![]() You can put this solution on YOUR website! The polynomials (ax^3 + 3x^2 - 3) and (2x^3 - 5x + a) when \n" ); document.write( "divided by (x - 4) leaves the same reminder. What is \n" ); document.write( "the value of a? \n" ); document.write( "** \n" ); document.write( "Using the Remainder Theorem which states: When a polynomial is divided by (x-a) the remainder=f(a). \n" ); document.write( ".. \n" ); document.write( "Since given equations result in the same remainder when divided by (x-4), set f(4)1=f(4)2. \n" ); document.write( "f(4)1=ax^3 + 3x^2 - 3=64a+48-3 \n" ); document.write( "f(4)2=2x^3 - 5x + a=128-20+a \n" ); document.write( "64a+48-3=128-20+a \n" ); document.write( "63a=63 \n" ); document.write( "a=1 \n" ); document.write( " |