MathReference -
Problems
MR-163 / 163. problem
x
+
2
x
-
2
+
x
-
2
x
+
2
=
0
All Problems
Source:
MathReference: Generic Math Textbook - 163.)
Algebra → Rational algebraic expressions → Operations with rational algebraic expressions
x
+
2
x
-
2
+
x
-
2
x
+
2
=
0
=
x
+
2
2
+
x
-
2
2
x
-
2
x
+
2
=
x
2
+
4
x
+
4
+
x
2
-
4
x
+
4
x
-
2
x
+
2
=
x
2
+
8
x
-
2
x
+
2
=
0
x
2
=
-
8
x
=
±
-
8
=
±
8
-
1
=
±
4
·
2
i
=
±
2
2
i
x
1
=
2
2
i
,
x
2
=
-
2
2
i
x
1
=
2
2
i
,
x
2
=
-
2
2
i
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