X^2 - 4X = 0
X * ( X - 4 ) = 0
X = 0
X - 4 = 0
X = 4
ОТВЕТ: 0 и 4
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9^6 - 3^10 = (3^2)^6 - 3^10 = 3^12 - 3^10 = 3^10 * ( 3^2 - 1 ) = 3 ^10 * 8
24 = 8 * 3
( 3 ^ 10 * 8 ) \ ( 8 * 3 ) = 3 ^ 9