document.write( "Question 396659: determine which binomial is a factor of
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document.write( "-2(cubed) + 14x(squared) -24x +20.\r
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document.write( "these are the choices:
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document.write( " a. x+5
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document.write( " b. x+20
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document.write( " c. x-24
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document.write( " d.x-5 \n" );
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Algebra.Com's Answer #281338 by CharlesG2(834)![]() ![]() ![]() You can put this solution on YOUR website! determine which binomial is a factor of \n" ); document.write( "-2(cubed) + 14x(squared) -24x +20.\r \n" ); document.write( "\n" ); document.write( "these are the choices: \n" ); document.write( " a. x+5 \n" ); document.write( " b. x+20 \n" ); document.write( " c. x-24 \n" ); document.write( " d.x-5\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "is this supposed to be -2x^3 + 14x^2 - 24x + 20 ? \n" ); document.write( "I am guessing it is, if not, repost., so solving -2x^3 + 14x^2 - 24x + 20, the 2nd term of the binomial has to be a factor of 20, answer can not be c. (x - 24, 24 not factor of 20) or b. (x + 20, 20 too large), use synthetic division: \n" ); document.write( ".................-2x^2 + 24x - 144 \n" ); document.write( "x + 5 --> -2x^3 + 14x^2 - 24x + 20 \n" ); document.write( "..........-2x^3 - 10x^2 \n" ); document.write( "..................24x^2 - 24x \n" ); document.write( "..................24x^2 + 120x \n" ); document.write( "........................- 144x + 20 --> x + 5 not gonna work, trying x - 5: \n" ); document.write( ".................-2x^2 + 4x - 4 \n" ); document.write( "x - 5 --> -2x^3 + 14x^2 - 24x + 20 \n" ); document.write( "..........-2x^3 + 10x^2 \n" ); document.write( "...................4x^2 - 24x \n" ); document.write( "...................4x^2 - 20x \n" ); document.write( "....................... - 4x + 20 \n" ); document.write( "........................- 4x + 20 --> x - 5 works, answer is d.x-5\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |