If the equation M / (x ^ 2-9) + 2 / (x + 3) = 1 / x-3 has an increasing root Then M =?

Multiply by (x + 3) (x-3)
m+2(x-3)=(x+3)
Increasing root means that the denominator is 0
(x+3)(x-3)=0
x=-3,x=3
X = - 3, substitute m + 2 (x-3) = (x + 3), M-12 = 0, M = 12
X = 3, substitute m + 2 (x-3) = (x + 3), M + 0 = 6, M = 6
So m = 6, M = 12

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