document.write( "Question 84091: The area of a rectangle of length x is given by 3x^2+5x. Find the width of the rectangle. How do I do this? \n" ); document.write( "
Algebra.Com's Answer #60561 by ankor@dixie-net.com(22740)\"\" \"About 
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The area of a rectangle of length x is given by 3x^2+5x. Find the width of the rectangle. How do I do this?
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\n" ); document.write( "You know that:
\n" ); document.write( " L * W = A
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\n" ); document.write( "In this problem; L is given as x and A is give (3x^2 + 5x); so we have:
\n" ); document.write( "x * W = 3x^2 + 5x
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\n" ); document.write( "Divide both sides by x:
\n" ); document.write( "W = \"%28%283x%5E2+%2B+5x%29%29%2Fx\"
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\n" ); document.write( "Divide both terms by x and you have:
\n" ); document.write( "W = 3x + 5; is the width
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\n" ); document.write( "Check: L * W would be x*(3x+5) = 3x^2 + 5x which is given as the area
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