If M minus m minus 1 equals 0, n minus n minus 1 equals 0, then cubic m plus cubic n equals 0

If M minus m minus 1 equals 0, n minus n minus 1 equals 0, then cubic m plus cubic n equals 0

Let x minus x minus 1 be equal to 0, then M and n should be two solutions of the equation
So m + n = 1, m × n = - 1
Cubic m + cubic n = (M + n) (m-mn + n) = 1 × ((M + n) - 3MN) = 1 + 3 = 4

Elden Ring Premiere

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