document.write( "Question 31031This question is from textbook College Algebra
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document.write( ": Hello:\r
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document.write( "I have a question about the following problem:\r
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document.write( "2x^3-3x^2-3x-5=0\r
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document.write( "I was never showed how to solve these. The book has me VERY confused. I am trying to find a zero. For my p/q, I got (plus/minus) 1, 1/2, 5, 5/2. I cannot get any of them to = 0 when I substitute. Is my arithmetic wrong, or am I going about this the wrong way? Wouldn't the zeros be the answers?\r
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document.write( "Thanks Again,
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document.write( "Brad Olson \n" );
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Algebra.Com's Answer #18470 by venugopalramana(3286)![]() ![]() You can put this solution on YOUR website! I have a question about the following problem: \n" ); document.write( "2x^3-3x^2-3x-5=0 \n" ); document.write( "F(5/2)=2*125/8-3*25/4-3*5/2-5=(250-150-60-40)/8=0...SO 5/2 IS A ROOT\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "I was never showed how to solve these. The book has me VERY confused. I am trying to find a zero. For my p/q, I got (plus/minus) 1, 1/2, 5, 5/2. I cannot get any of them to = 0 when I substitute. Is my arithmetic wrong, or am I going about this the wrong way? \n" ); document.write( "SO 5/2 IS A ROOT CHECK YOUR ARITHMATIC...NOW DIVIDE WITH X-5/2 FIND THE QUOTIENT WHICH IS A QUADRATIC ,USE THE QUADRATIC FORMULA IF NEEDED TO FIND THE FACTORS. \n" ); document.write( " Wouldn't the zeros be the answers? \n" ); document.write( " |