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Question 0102a
Equations and Inequalities
Polynomials
Question
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Find the positive real root of the equation
5
x
4
+
8
x
3
+
8
x
2
−
6
x
−
9
=
0
,
5 x^4 + 8 x^3 + 8 x^2 - 6 x - 9 = 0,
5
x
4
+
8
x
3
+
8
x
2
−
6
x
−
9
=
0
,
leaving your answer correct to 3 decimal places.
Attempt
x
=
{x=}
x
=
Answer
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