document.write( "Question 980873: the square of a number is 195 more than twice the number. find the number\r
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Algebra.Com's Answer #601980 by Cromlix(4381)![]() ![]() You can put this solution on YOUR website! Hi there, \n" ); document.write( "The square of a number is 195 more \n" ); document.write( "than twice the number. \n" ); document.write( "x^2 = 195 + 2x \n" ); document.write( "Put in ax^2 + bx + c = 0 form. \n" ); document.write( "x^2 - 2x - 195 = 0 \n" ); document.write( "Factorise: \n" ); document.write( "(x + 13)(x - 15) = 0 \n" ); document.write( "x + 13 = 0 \n" ); document.write( "x = -13 \n" ); document.write( "x - 15 = 0 \n" ); document.write( "x = 15 \n" ); document.write( "Either -13 and 15 can be the number \n" ); document.write( "Hope this helps:-) \n" ); document.write( " |