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Verified answer
NiLai MutLak|1 - x|² + 3|1 - x| - 10 = 0
Misal :
|1 - x| = a
a² + 3a - 10 = 0
(a + 5)(a - 2) = 0
a = -5 atau a = 2
yg memenuhi : a = 2
|1 - x| = 2
1 - x = 2 ---> x = -1
1 - x = -2 ---> x = 3
Nilai x yg memenuhi :
-1 dan 3