document.write( "Question 382699: to solve 2x - x^2 = 0 by the quadratic formula, let a =-1, b =2, and c = 0, is his true. \n" ); document.write( "
Algebra.Com's Answer #271141 by kingme18(98)\"\" \"About 
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Yes. Another way to write it is to rearrange and get \"-x%5E2%2B2x=0\". a=-1 is the coefficient with \"x%5E2\", b=2 is the coefficient with x, and there is no constant, so c=0. \n" ); document.write( "
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