If the aerea of the square table (16m²-24mn +9n²) Square decimeters, what is the length of each side?
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Step-by-step explanation:
area of the square= A=L²
A=(16m²-24mn+9n²)
A=((4m)²-2(4m)(3n)+(-3n)²)
A=(4m-3n)²
taking square root
L=4m-3n
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