cancerbaby209
10.09.2020 •
Mathematics
4b×3b-2b=102 what is b
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Ответ:
12b^2 - 2b = 102
12b^2 - 2b - 102 = 0
divide by 2
6b^2 - b - 51
(6b + 17)(b - 3) = 0
6b + 17 = 0
6b = -17
b = -17/6 or 2 5/6
b - 3 = 0
b = 3
Ответ:
Ответ: