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Byju's Answer
Standard VIII
Mathematics
Factorisation Using Algebraic Identities
Factorise: ...
Question
Factorise:
12
x
2
−
7
x
−
1
Open in App
Solution
12
x
2
−
7
x
−
1
=
0
∵
x
=
−
b
±
√
b
2
−
4
a
c
2
a
=
−
(
−
7
)
±
√
(
−
7
)
2
−
4.12.
(
−
1
)
2.12
=
7
±
√
97
24
∴
x
=
7
+
√
97
24
o
r
x
=
7
−
√
97
24
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