document.write( "Question 39923: If a number is added to its square the result is 56. find the number.
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document.write( "thank you \n" );
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Algebra.Com's Answer #25469 by fractalier(6550)![]() ![]() You can put this solution on YOUR website! Let the number be x. So we have \n" ); document.write( "x + x^2 = 56 \n" ); document.write( "x^2 + x - 56 = 0 \n" ); document.write( "(x + 8)(x - 7) = 0 \n" ); document.write( "x = -8 or x = 7 \n" ); document.write( "Two answers and both work. \n" ); document.write( " |