document.write( "Question 374011: The area of the rectangle is 84 square inches. Find its length with width
\n" ); document.write( "(x+3)bottom of the rectangle (x-2) side of the rectangle
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Algebra.Com's Answer #266322 by rfadrogane(214)\"\" \"About 
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The area of the rectangle is 84 square inches. Find its length with width
\n" ); document.write( "(x+3)bottom of the rectangle (x-2) side of the rectangle.
\n" ); document.write( " Sol'n:
\n" ); document.write( " A = LW
\n" ); document.write( " (x+3)(x-2)= 84
\n" ); document.write( " x^2+x-6 = 84
\n" ); document.write( " x^2+x-90 = 0,factor and equate to zero to find the value of x.
\n" ); document.write( " x = 9--acceptable value
\n" ); document.write( " x = -10---absurd, since there is no negative value for any magnitude.
\n" ); document.write( " for L = x+3 = 12 inches----ans
\n" ); document.write( " W = x-2 = 7 inches-----ans
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