Ответ:
(x - 1) ^ 2 / 5 - x + 4:6 = 2(x - 1) : 3
1/5 * x ^ 2 - 7/5 * x + 13/15 - ((2x)/3 - 2/3) = 0
a = 1, b = - 1 , c = 0
(- 1) ^ 2 - 4 * 1 * 0
ответ : 1
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Ответ:
(x - 1) ^ 2 / 5 - x + 4:6 = 2(x - 1) : 3
1/5 * x ^ 2 - 7/5 * x + 13/15 - ((2x)/3 - 2/3) = 0
a = 1, b = - 1 , c = 0
(- 1) ^ 2 - 4 * 1 * 0
ответ : 1