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Byju's Answer
Standard XII
Mathematics
Nature of Roots
x2+6x+9=0 x=...
Question
x
2
+
6
x
+
9
=
0
x
=
?
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Solution
x
2
+
6
x
+
9
=
0
x
2
+
3
x
+
3
x
+
9
=
0
x
(
x
+
3
)
+
3
(
x
+
3
)
=
0
(
x
+
3
)
(
x
+
3
)
=
0
∴
x
=
−
3
,
−
3
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0
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