document.write( "Question 621220: 13. Solve 2x = 5x2 for x. \r
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document.write( "A. 0 and 0.431\r
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document.write( "B. 0 and 2.322 (this answer is wrong)\r
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document.write( "C. 2.322\r
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document.write( "D. 0.431
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document.write( "
Algebra.Com's Answer #390662 by unlockmath(1688) You can put this solution on YOUR website! Hello, \n" ); document.write( "This one: 2x = 5x2 let's first subtract 2x to get: \n" ); document.write( "0 = 5x2-2x \n" ); document.write( "Now plug this into the quadratic formula and we get: \n" ); document.write( "x=.4 or 0 \n" ); document.write( "Make sense? \n" ); document.write( "RJ \n" ); document.write( "www.math-unlock.com \n" ); document.write( " |