Question

алгебра 7 класс помогите пожалуйста очень срочно​

Answer 1

$6.\\\frac{a^2-3a+1}{a} = 1 \\a - 3 + \frac{1}{a} = 1\\a + \frac{1}{a} = 4\\Answer: 4\\7.\\(x-1)^3+3(x-1)^2=0\\(x-1)^2(x-1+3)=0\\(x-1)^2(x+2)=0\\x_1 = 1\\x_2 = -2\\Answer: -2; 1\\8.\\F_1 = \frac{F_2S_1}{S_2} => S_2 = \frac{F_2S_1}{F_1}\\ Answer: \frac{F_2S_1}{F_1}$