A wire is (27x_10y) meter long (13x+ 18y) meter is cut for use. How much wire is left ? If the left out wire is reformed into a square , what will be the length of each side of that square?
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the length of wire left=(27x_10y)_(13x+18y)
= 27x_10y _13x_18y
=27x_13x_10y_18y
=14x_ 28y
Perimeter of square =4×side
14x_28y = 4×side
side=(14x_28y)/4
side= 14(x_2y)/4
side=3.5(x_2y)
side =3.5x_7y
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