jnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnjjjjjjjjjjjjjjjjjjjjjjjjjjjllllllllllllllllllllllllfffffffffffffffffffeeeeeeeeeeeeeeeuuuuuuuuuuuuucccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccclllllllllllllllllllllllllllllllllllllllggggggggggggggggggggggggggggggggggggggvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvnnbbbbbbbbbbbbbbbbbbbbbbbbbbbtttttttttttttttttrrrrrrrrrrrrrrriiiiiiiiiiiiiiiiiiiiiiiiddddddddddddddssssssssssssssssssssssssssssssssssssshjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuunnnnnnnnnnnnnnnnnnnnnnnnnnnnggggggggggggggggggggggggggggggkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkooooooooooooooooooooooooooooooooooooooooooooooooooooooooooookkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkoooooooooooooooooooooooooooooooooooooooooooookkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkiiiiiiiiiiiiiiiiiiiiiiiiiccccccccccccccccccccccccceeeeeeeeeeeeeeeeeeeeeeeeeeeeeee

 Simplify the expression (where a, b, and c are different real numbers) :

(x−a)(x−b)(c−a)(c−b)+(x−b)(x−c)(a−b)(a−c)+(x−c)(x−a)(b−c)(b−a)

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