Find the zeros of polynomial m x square +(m+n) x+n
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mx² + (m + n)x + n = 0
=> mx² + mx + nx + n = 0
=> mx(x + 1) + n(x + 1) = 0
=> (x + 1)(mx + n) = 0
(x + 1) = 0, (mx + n) = 0
x = -1 and x = -n/m
=> mx² + mx + nx + n = 0
=> mx(x + 1) + n(x + 1) = 0
=> (x + 1)(mx + n) = 0
(x + 1) = 0, (mx + n) = 0
x = -1 and x = -n/m
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