Question 1058781
Let {{{ x }}} = a side of the square in feet
{{{ 4x }}} = feet of fencing enclosing square
{{{ x^2 }}} = area of field
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given:
{{{ 4x = x^2 }}}
{{{ x^2 - 4x = 0 }}}
{{{ x*( x - 4 ) = 0 }}}
{{{ x = 0 }}}
{{{ x = 4 }}}
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The only possible answer is the side of
the square field is 4 ft.