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Byju's Answer
Standard X
Mathematics
Quadratic Equations
x+3x-2-1-x x=...
Question
(
x
+
3
)
(
x
-
2
)
-
(
1
-
x
)
x
=
17
4
,
(
x
=
0
,
2
)
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Solution
Given
:
(
x
+
3
)
(
x
−
2
)
−
(
1
−
x
)
x
=
17
4
⇒
x
(
x
+
3
)
−
(
1
−
x
)
(
x
−
2
)
(
x
−
2
)
x
=
17
4
⇒
x
2
+
3
x
−
(
x
−
2
−
x
2
+
2
x
)
x
2
−
2
x
=
17
4
⇒
x
2
+
3
x
+
x
2
−
3
x
+
2
x
2
−
2
x
=
17
4
⇒
2
x
2
+
2
x
2
−
2
x
=
17
4
⇒
8
x
2
+
8
=
17
x
2
−
34
x
[
On
cross multiplying
]
⇒
−
9
x
2
+
34
x
+
8
=
0
⇒
9
x
2
−
34
x
−
8
=
0
⇒
9
x
2
−
36
x
+
2
x
−
8
=
0
⇒
9
x
(
x
−
4
)
+
2
(
x
−
4
)
=
0
⇒
(
x
−
4
)
(
9
x
+
2
)
=
0
⇒
x
−
4
=
0
or 9
x
+
2
=
0
⇒
x
=
4
or
x
=
−
2
9
H
ence, the roots of the equation are 4 and
−
2
9
.
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1
Similar questions
Q.
Solve the following quadratic equations by factorization:
x
+
3
x
-
2
-
1
-
x
x
=
17
4