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zhannawk [14.2K]
4 years ago
8

3 -x = x 3 + x please help mee

Mathematics
1 answer:
Crazy boy [7]4 years ago
4 0
3 - x = x³ + x
3 - x - x³ - x = 0
-x³ - 2x + 3 = 0
x = (-b - √(b² - 4ac))/2a
x = (-(-2) - √((-2)² - 4(-1)(3))/2(-1)
x = 1
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