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Standard X
Maths
Question
Find the value of
x
:
3
(
x
8
)
−
9
=
18
72
27
72
3
27
3
A
72
B
27
3
C
27
D
72
3
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Solution
Verified by Toppr
Given,
3
(
x
8
)
−
9
=
18
Adding
9
to both sides we get.
⇒
3
(
x
8
)
=
18
+
9
⇒
x
=
27
×
8
3
...
Multiply by
8
and divide by
3
on both sides
⇒
x
=
72
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Similar Questions
Q1
Factorise:
(i) 9x
3
− 6x
2
+ 12x
(ii) 8x
3
− 72xy + 12x
(iii) 18a
3
b
3
− 27a
2
b
3
+ 36a
3
b
2
View Solution
Q2
Find the value of
A
.
2
+
3
=
8
3
+
7
=
27
4
+
5
=
32
5
+
8
=
60
6
+
7
=
72
7
+
8
=
A
View Solution
Q3
Find the factors.
(8) x
2
+ 27x + 72
View Solution
Q4
Simplify
(i)
10
√
2
−
2
√
2
+
4
√
32
(ii)
√
48
−
3
√
72
−
√
27
+
5
√
18
(iii)
3
√
16
+
8
3
√
54
−
3
√
128
.
View Solution
Q5
9
x
+
7
2
-
x
-
x
-
2
7
=
36
View Solution