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Mathematics
Problem
Simplify:
6
x
2
+
x
−
1
12
x
2
−
13
x
+
4
÷
4
x
2
−
1
12
x
2
−
25
x
+
12
\frac{6x^2 + x - 1}{12x^2 - 13x + 4} \div \frac{4x^2 - 1}{12x^2 - 25x + 12}
12
x
2
−
13
x
+
4
6
x
2
+
x
−
1
÷
12
x
2
−
25
x
+
12
4
x
2
−
1
.
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