If the polynomial X & # 178; - 4x + 3 = (x + m) (x + n), then M + n=

If the polynomial X & # 178; - 4x + 3 = (x + m) (x + n), then M + n=

x²-4x+3=(x-1)(x-3)
So m = - 1, n = - 3
So m + n = - 4