1/2log 25 - 1/3log 64 + 2log 27 = log 45/3
Answers
Answered by
3
Answer:
Step-by-step explanation:
Answered by
0
Answer:
Explanation:
log
(
2
x
)
=
2
log
(
4
x
−
15
)
2
log
(
4
x
−
15
)
−
log
(
2
x
)
=
0
log
(
4
x
−
15
)
2
−
log
(
2
x
)
=
0
log
[
16
x
2
−
120
x
+
225
2
x
]
=
0
16
x
2
−
120
x
+
225
2
x
=
10
0
=
1
16
x
2
−
120
x
+
225
=
2
x
16
x
2
−
122
x
+
225
=
0
16
x
2
−
72
x
−
50
x
+
225
=
0
8
x
(
2
x
−
9
)
−
25
(
2
x
−
9
)
=
0
(
8
x
−
25
)
(
2
x
−
9
)
=
0
x
=
25
8
,
9
2
=> reject
x
=
25
8
, since it makes 4x -15 a
negative number thus causing an undefined status.
x
=
9
2
the only valid solution.
Step-by-step explanation:
Similar questions