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Mathematics
Problem
For the equation
3
x
2
+
4
x
−
2
=
0
3x^2 + 4x - 2 = 0
3
x
2
+
4
x
−
2
=
0
, which of the following is a root? a)
−
4
+
2
10
3
\dfrac{-4 + 2\sqrt{10}}{3}
3
−
4
+
2
10
b)
2
+
10
3
\dfrac{2 + \sqrt{10}}{3}
3
2
+
10
c)
−
2
+
10
3
\dfrac{-2 + \sqrt{10}}{3}
3
−
2
+
10
d)
−
2
+
7
3
\dfrac{-2 + \sqrt{7}}{3}
3
−
2
+
7
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