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bentuk awal
ax² + bx + c = 0
rumus abc
x1,x2 = (-b _+ √(b²-4ac) )/ 2a
a = 1
b = -4
c = 1
m,n = (-(-4) _+ √((-4)² - 4x1x1))/2x1
m,n = (4 _+ √(16 - 4)) / 2
m,n = (4 _+ √12)/2
m = (4+√12)/2 = (4 + 2√3)/2 = 2 + √3
n = (4-√12)/2 = (4 - 2√3)/2 = 2 - √3