document.write( "Question 722631: Could you please show me the steps to factoring and solving the problem below? \r
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document.write( "Also, could you please show me how to check my solution back into the original equation?\r
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document.write( "Could you please show me the final solutions as decimal approximations carried out to the third decimal place.\r
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document.write( "If possible and applicable, could you please show me how to incorporate the following four math vocabulary words into my steps?\r
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document.write( "-Quadratic formula
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document.write( "-Factoring
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document.write( "-Completing the square
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document.write( "-Discriminant \r
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document.write( "1. 2m^(2) - m - 15 = 0 \n" );
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Algebra.Com's Answer #442952 by mananth(16946)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "\n" ); document.write( "factoring\r \n" ); document.write( "\n" ); document.write( "coefficient of middle term is -1\r \n" ); document.write( "\n" ); document.write( "the product of first term and third term is 30\r \n" ); document.write( "\n" ); document.write( "find two factors of 30 such that when you add them you get -1\r \n" ); document.write( "\n" ); document.write( "Obviously they are -6and +5\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( "either 2m+5 =0 OR m-3=0 for the equation to be true\r \n" ); document.write( "\n" ); document.write( "if 2m+5 = 0 \n" ); document.write( "then 2m=-5 \n" ); document.write( "m=-5/2\r \n" ); document.write( "\n" ); document.write( "if m-3 =0 \n" ); document.write( "then m=3\r \n" ); document.write( "\n" ); document.write( "so m=-5/2 or 3\r \n" ); document.write( "\n" ); document.write( "completing the squares method\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( "the first term co efficient has to be 1 \n" ); document.write( "divide by 2\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( "find the third term on the left side so that it is a perfect square \n" ); document.write( "third term = (1/2 * co-efficient of second term)^2\r \n" ); document.write( "\n" ); document.write( "=(1/2*1/2)^2 \n" ); document.write( "= 1/16\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "add the third term to both sides\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( "take the square root\r \n" ); document.write( "\n" ); document.write( "m-(1/4) = +/- 11/4\r \n" ); document.write( "\n" ); document.write( "so m= 3 or - \n" ); document.write( "5/2\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |