document.write( "Question 39923: If a number is added to its square the result is 56. find the number.
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Algebra.Com's Answer #25469 by fractalier(6550)\"\" \"About 
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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.
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