document.write( "Question 722631: Could you please show me the steps to factoring and solving the problem below? \r
\n" ); document.write( "\n" ); document.write( "Also, could you please show me how to check my solution back into the original equation?\r
\n" ); document.write( "\n" ); document.write( "Could you please show me the final solutions as decimal approximations carried out to the third decimal place.\r
\n" ); document.write( "\n" ); document.write( "If possible and applicable, could you please show me how to incorporate the following four math vocabulary words into my steps?\r
\n" ); document.write( "\n" ); document.write( "-Quadratic formula
\n" ); document.write( "-Factoring
\n" ); document.write( "-Completing the square
\n" ); document.write( "-Discriminant \r
\n" ); document.write( "\n" ); document.write( "1. 2m^(2) - m - 15 = 0
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Algebra.Com's Answer #442952 by mananth(16946)\"\" \"About 
You can put this solution on YOUR website!
\"2m%5E2-m-15\"\r
\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( "\"2m%5E2-6m%2B5m-15=0\"\r
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\n" ); document.write( "\n" ); document.write( "\"2m%28m-3%29%2B5%28m-3%29=0\"\r
\n" ); document.write( "\n" ); document.write( "\"%282m%2B5%29%28m-3%29=0\"\r
\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( "\"2m%5E2-m-15=0\"\r
\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( "\"m%5E2-%28m%2F2%29+-%2815%2F2%29=0\"\r
\n" ); document.write( "\n" ); document.write( "\"m%5E2-%28m%2F2%29+=%2815%2F2%29\"\r
\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( "\"m%5E2-%28m%2F2%29+=%2815%2F2%29\"
\n" ); document.write( "add the third term to both sides\r
\n" ); document.write( "\n" ); document.write( "\"m%5E2-%28m%2F2%29%2B%281%2F16%29+=%2815%2F2%29%2B%281%2F16%29\"\r
\n" ); document.write( "\n" ); document.write( "\"%28m-%281%2F4%29%29%5E2=+-121%2F16\"\r
\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
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