document.write( "Question 1038629: The square of a number is 27 more than 6 times the number \n" ); document.write( "
Algebra.Com's Answer #653335 by Boreal(15235)![]() ![]() You can put this solution on YOUR website! number is x \n" ); document.write( "x^2-27=6x. That is the square minus 27 equals 6 times it. \n" ); document.write( "Or x^2=6x+27. That works, too. \n" ); document.write( "x^2-6x-27=0. When a square appears, think quadratic equation, and set all the terms on one side. \n" ); document.write( "(x-9)(x+3)=0 factor it, if you can. \n" ); document.write( "The numbers are 9 and -3 \n" ); document.write( "Check each \n" ); document.write( "9^2-27=9*6 \n" ); document.write( "81-27=54 True. \n" ); document.write( "(-3)^2-27=(-3)(6) \n" ); document.write( "9-27=-18 True \n" ); document.write( " |