document.write( "Question 385415: 4. The area of a rectangular athletic field is represented by the expression 36y^2-81z^2 square meters. Write an algebraic expression to represent one possible set of dimensions (in the sense “length times width”) of the athletic field. Include correct units with your solution \n" ); document.write( "
Algebra.Com's Answer #272704 by stanbon(75887)\"\" \"About 
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The area of a rectangular athletic field is represented by the expression
\n" ); document.write( "36y^2-81z^2 square meters. Write an algebraic expression to represent one possible set of dimensions (in the sense “length times width”) of the athletic field. Include correct units with your solution
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\n" ); document.write( "36y^2-81z^2
\n" ); document.write( "Factor:
\n" ); document.write( "(6y-9z)(6y+9z)
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\n" ); document.write( "Let width be 6y-9z
\n" ); document.write( "Let length be 6y+9z
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stgan H.
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