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Byju's Answer
Standard X
Mathematics
Roots of Quadratic Equation
Solve the qua...
Question
Solve the quadratic equation:
(
x
+
8
)
2
−
5
=
31
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Solution
The given quadratic equation
(
x
+
8
)
2
−
5
=
31
can be simplified as follows:
(
x
+
8
)
2
−
5
=
31
⇒
(
x
+
8
)
2
=
31
+
5
⇒
(
x
+
8
)
2
=
36
⇒
(
x
+
8
)
=
±
√
36
⇒
(
x
+
8
)
=
±
6
⇒
x
+
8
=
−
6
,
x
+
8
=
6
⇒
x
=
−
6
−
8
,
x
=
6
−
8
⇒
x
=
−
14
,
x
=
−
2
Hence,
x
=
−
2
,
−
14
.
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0
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