document.write( "Question 210907: If P(x)=3x^3+2x^2+x+20 and we write P(x) in the form P(x)=A+B(x-1)+C(x-1) (x-2)+D(x-1)(x-2)(x-3) A=? and B=? \n" ); document.write( "

Algebra.Com's Answer #159481 by Edwin McCravy(20056) $\"\"$ $\"About$

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If P(x)=3x^3+2x^2+x+20 and we write \r
\n" ); document.write( "\n" ); document.write( "P(x) in the form P(x)=A+B(x-1)+C(x-1) (x-2)+D(x-1)(x-2)(x-3) A=? and B=?\r
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document.write( "Set both expressions for P(x) equal to each other:\r\n" );
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document.write( "Choose values for x that will cause some of those expresions\r\n" );
document.write( "in parentheses to become 0.\r\n" );
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document.write( "Substitute 1 for x in the above:\r\n" );
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document.write( "Now substitute 2 for x in the above:\r\n" );
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document.write( "And since A=26, substituting:\r\n" );
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document.write( "So  and \r\n" );
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document.write( "Edwin

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