tyrajohnson4 tyrajohnson4

10-08-2017
Mathematics

contestada

x3 + 6x2 - 40x = 192.

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Аноним Аноним

10-08-2017

3x + 12x - 40x = 192
15x - 40x = 192
-25x = 192
x = 192 / -25
x = -7.68

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