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Question
Mathematics
The sum of all the real values of x satisfying the equation 2(x-1)(x2 + 5 x-50) = 1 is :
Q. The sum of all the real values of
x
satisfying the equation
2
(
x
−
1
)
(
x
2
+
5
x
−
50
)
=
1
is :
1855
232
JEE Main
JEE Main 2017
Complex Numbers and Quadratic Equations
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A
16
16%
B
14
10%
C
-4
48%
D
-5
26%
Solution:
(
x
−
5
)
(
x
2
+
5
x
−
50
)
=
0
⇒
(
x
−
5
)
(
x
+
10
)
(
x
−
5
)
=
0
⇒
x
=
1
,
5
,
−
10
sum
=
−
4