No 48 bagaimanaaaa caranyaa

x^2 - 4x + 2 = 0 akar-akarnya m dan n artinya
m^2 - 4m + 2 = 0 => m^2 - 4m = -2
n^2 - 4n + 2 = 0 => n^2 - 4n = -2
Jadi nilai dari (m^2 - 4m + 1)(n^2 - 4n - 2)
= (-2 + 1)(-2 - 2)
= (-1)(-4)
= 4