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Exponents & Radicals
hard
0:00.0
Find
x
x
x
if
9
x
+
3
x
−
2
=
0
9^x + 3^x - 2 = 0
9
x
+
3
x
−
2
=
0
.
A
0
B
1
C
−
1
-1
−
1
D
logarithm needed
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