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Ratling [72]
3 years ago
14

X3 + 6x2 - 40x = 192.

Mathematics
1 answer:
fenix001 [56]3 years ago
8 0
3x + 12x - 40x = 192
15x - 40x = 192
-25x = 192
x = 192 / -25
x = -7.68
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