Question 1126554
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Let W represents the width, in feet.


Then the length is (W+23) feet,  and the equation for the area is


    W*(W+23) = 6840.


It gives you the quadratic equation


    W^2 + 23W - 6840 = 0.


Solve it by using the quadratic formula to find W.
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That's all.


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Let me give you an advise about using factoring when solving quadratic equations.


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    If you can not find the factoring mentally in your head in 5 - 10 seconds - USE THE QUADRATIC FORMULA.


    <U>In this case</U>,  <U>I DEFINITELY advise you</U>  <U>to use the quadratic formula</U>.
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