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Byju's Answer
Standard IX
Mathematics
Addition of Polynomials
After solving...
Question
After solving this equation
x
2
+
8
x
−
3
8
x
−
3
=
x
2
+
4
x
+
4
4
x
+
4
,
x
is either
7
4
or
m
. Then, the value of
m
is:
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Solution
x
2
+
8
x
−
3
8
x
−
3
=
x
2
+
4
x
+
4
4
x
+
4
⇒
(
x
2
+
8
x
3
)
(
4
x
+
4
)
=
(
8
x
3
)
(
x
2
+
4
x
+
4
)
⇒
4
x
3
+
36
x
2
+
20
x
−
12
=
8
x
3
+
29
x
2
+
20
x
−
12
⇒
x
2
(
4
x
+
36
)
=
x
2
(
8
x
+
29
)
⇒
x
=
0
,
4
x
+
36
=
8
x
+
29
⇒
4
x
=
7
⇒
x
=
0
,
7
4
Hence,
m
=
0
.
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0
Similar questions
Q.
value of x satisfying the equality
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x
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Q.
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