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x + 2 = + 5
x + 2 = 5 x + 2 = -5
x1 = 3 x2 = -7
x1 - x2 = 3 - (-7) = 3 + 7 = 10
x+2=√25
x+2=±5
jika +5
x=5-2
x=3 ( jadi x1)
jika -5
x=-5-2
x= -7 (x2)
x1-x2= 3-(-7)
x1-x2= 10