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Assignment:Find the solution set of inequality 8x <= (x^2)+1+6x <0 .
Question type: Inequality
Solution:
The inequality can be reduced to 2 inequalities:
8 * x <= ( x ^ 2 ) + 1 + 6 * x (1)
( x ^ 2 ) + 1 + 6 * x <0 (2)
From inequality(1):
x ≤ 1 或 1 ≤ x ≤ 1 或 x ≥ 1
From inequality(2):
-5.828427 < x < -0.171573
From inequalities (1) and (2)
-5.828427 < x < -0.171573 (3)
The final solution set is :
-5.828427 < x < -0.171573 Your problem has not been solved here? Please take a look at the hot problems !