MathReference -
Problems
MR-158. problem
Solve the following equation:
x
-
x
+
10
x
+
3
=
2
All Problems
Source:
MathReference: Generic Math Textbook - 158.)
Algebra → Quadratic equations, inequalities and systems of equations → Quadratic equations
x
-
x
+
10
x
+
3
=
2
x
-
x
+
10
x
+
3
=
2
x
-
x
+
10
x
+
3
-
2
=
0
x
·
x
+
3
-
x
+
10
-
2
·
x
+
3
x
+
3
=
0
x
2
+
3
x
-
x
-
10
-
2
x
-
6
x
+
3
=
0
x
2
-
16
x
+
3
=
0
x
2
-
16
=
0
x
2
=
16
x
=
±
16
x
=
±
4
x
1
=
4
;
x
2
=
-
4
Help
Required theoretical knowledge
Solutions of a quadratic equation
a
x
2
+
b
x
+
c
=
0
x
1
,
2
=
-
b
±
b
2
-
4
a
c
2
a
Solution of the problem
x
1
=
4
;
x
2
=
-
4
PLEASW HELP ME!
