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Byju's Answer
Standard X
Mathematics
Solving Using Quadratic Formula When D>0
Find the numb...
Question
Find the number of all real solution to the quadratic equation
x
2
+
2
x
=
−
1
Open in App
Solution
Finding the roots of the given equation as shown below:
x
2
+
2
x
=
−
1
or
x
2
+
2
x
+
1
=
0
x
2
+
x
+
x
+
1
=
0
x
(
x
+
1
)
+
1
(
x
+
1
)
=
0
x
+
1
=
0
and
x
+
1
=
0
x
=
−
1
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0
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