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Answer:
2x
2
+
7
x
+
5
√
2
=
or,
√
2
x
2
+
2
x
+
5
x
+
5
√
2
=
0
or,
x
√
2
(
x
+
√
2
)
+
5
(
x
+
√
2
)
=
0
or,
(
x
√
2
+
5
)
(
x
+
√
2
)
=
0
⇒
x
=
−
5
√
2
,
−
√
2
.