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Byju's Answer
Standard VIII
Mathematics
Algebraic Identities
solve x + 5...
Question
solve
(
x
+
5
y
−
3
z
)
3
+
(
x
−
5
y
+
3
z
)
3
+
6
x
(
x
+
5
y
−
3
z
)
(
x
−
5
y
+
3
z
)
=
8
x
3
Open in App
Solution
(
x
+
5
y
−
3
z
)
3
+
(
x
−
5
y
+
3
z
)
3
+
6
x
(
x
+
5
y
−
3
z
)
(
x
−
5
y
+
3
z
)
it can be written as
(
x
+
5
y
−
3
z
)
3
+
(
x
−
5
y
+
3
z
)
3
+
3
(
x
+
5
y
−
3
z
)
(
x
−
5
y
+
3
z
)
(
(
x
+
5
y
−
3
z
)
+
(
x
−
5
y
+
3
)
)
which is in the form of
(
a
+
b
)
3
=
a
3
+
b
3
+
3
a
b
(
a
+
b
)
=
(
a
+
b
)
3
⟹
(
x
+
5
y
−
3
z
+
x
−
5
y
+
3
z
)
3
=
(
2
x
)
3
=
8
x
3
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0
Similar questions
Q.
State True or False.
125
(
x
−
y
)
3
+
(
5
y
−
3
z
)
3
+
(
3
z
−
5
x
)
3
=
15
(
x
−
y
)
(
5
y
−
3
z
)
(
3
z
−
5
x
)
Q.
The equation of the plane through the line x + y + z + 3 = 0 = 2x − y + 3z + 1 and parallel to the line
x
1
=
y
2
=
z
3
is
(a) x − 5y + 3z = 7
(b) x − 5y + 3z = −7
(c) x + 5y + 3z = 7
(d) x + 5y + 3z = −7
Q.
Find the value of
x
,
y
and
z
from the given linear equations:
x
+
y
+
z
=
0
,
2
x
+
5
y
+
7
z
=
0
,
2
x
−
5
y
+
3
z
=
0
Q.
Solve
y
′′
=
5
y
′
+
5
(
y
′
−
5
y
)
.
Q.
Solve using graphical method:
Maximize:
Z
=
4
x
+
5
y
Subject to:
2
x
+
5
y
≤
25
6
x
+
5
y
≤
45
49
x
≥
0
,
y
≥
0
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