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Byju's Answer
Standard VII
Mathematics
Performing Mathematical Operations on Equation
3x+2=3 x+2A. ...
Question
3
(
x
+
2
)
=
3
x
+
2
A
3,5
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B
1,5
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Solution
The correct option is
B
1,5
According to distributive property,
3
(
x
+
2
)
=
(
3
×
x
)
+
(
3
×
2
)
=
3
x
+
6
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0
Similar questions
Q.
Let
∣
∣ ∣ ∣
∣
3
3
x
3
x
2
+
2
a
2
3
x
3
x
2
+
2
a
2
3
x
3
+
6
a
2
x
3
x
2
+
2
a
2
3
x
3
+
6
a
2
x
3
x
4
+
12
a
2
x
2
+
2
a
4
∣
∣ ∣ ∣
∣
then:
Q.
Let
A
(
x
)
=
∣
∣ ∣ ∣
∣
3
3
x
3
x
2
+
2
a
2
3
x
3
x
2
+
2
a
2
3
x
3
+
6
a
2
x
3
x
2
+
2
a
2
3
x
3
+
6
a
2
x
3
x
4
+
12
a
2
x
2
+
2
a
4
∣
∣ ∣ ∣
∣
,
where
a
∈
R
is a non-zero constant. Then which of the following option(s) is/are INCORRECT ?
Q.
Factorize :
x
2
+
3
x
+
2
+
a
x
+
2
a
Q.
Solve:
2
a
(
3
x
+
5
y
)
−
5
b
(
3
x
+
5
y
)
Q.
The smallest value of M such that
∣
∣
x
2
−
3
x
+
2
∣
∣
≤
M for all
x
∈
[
1
,
5
2
]
is
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