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Solve the problem below.
Matematika feladat gyüjtemény
y
=
x
01
+
4
x
2
-
1
x
=
x
02
+
4
x
2
-
1
y
=
y
03
+
4
x
2
-
1
y
=
y
04
+
4
x
2
-
1
x
=
x
05
+
4
x
2
-
1
x
=
x
06
+
4
x
2
-
1
x
=
x
07
+
4
x
2
-
1
x
=
x
08
+
4
x
2
-
1
x
=
x
09
+
43
x
2
-
1
x
=
x
010
+
4
x
2
-
1
x
=
x
012
+
4
x
2
-
1
x
=
x
013
+
4
x
2
-
1
a
=
-
b
±
b
2
-
4
a
c
2
a
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