document.write( "Question 418526: A negative number is 56 less than its square. Find the number. \n" ); document.write( "

Algebra.Com's Answer #292894 by ewatrrr(24785) $\"\"$ $\"About$

You can put this solution on YOUR website!


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document.write( "Hi
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document.write( "Let x represent this negative number
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document.write( "Question states***
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document.write( " x = x^2 -56
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document.write( " Solving for x
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document.write( "  x^2 - x -56 = 0
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document.write( "factoring
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document.write( " (x-8)(x+7)= 0 |Note:SUM of the inner product(-8x) and the outer product(7x) = -x
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document.write( "  (x-8)=0   x = 8   Tossing out this solution (need negative number)
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document.write( "  (x+7)= 0  
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document.write( "    x = -7, the negative number\r
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document.write( "CHECKING our Answer***
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document.write( "  -7 = 49-56 \n" );
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