document.write( "Question 1018861: The difference of the square of a number and 4 is equal to 3 times that number. Find the negative solution.\r
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Algebra.Com's Answer #635055 by fractalier(6550)![]() ![]() You can put this solution on YOUR website! Call the number, x. Then we write \n" ); document.write( "x^2 - 4 = 3x \n" ); document.write( "Now solve for the negative solution for x... \n" ); document.write( "x^2 - 3x - 4 = 0 \n" ); document.write( "Factoring \n" ); document.write( "(x - 4)(x + 1) = 0 \n" ); document.write( "x = 4 and x = -1 \n" ); document.write( "So x = -1. \n" ); document.write( " |