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Byju's Answer
Standard VII
Mathematics
Finding the Value of an Expression
Find the prod...
Question
Find the product:
(5x + 7)(3x + 4)
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Solution
(
5
x
+
7
)
(
3
x
+
4
)
=
5
x
×
(
3
x
+
4
)
+
7
×
(
3
x
+
4
)
=
(
5
x
×
3
x
+
5
x
×
4
)
+
(
7
×
3
x
+
7
×
4
)
=
15
x
2
+
20
x
+
21
x
+
28
=
15
x
2
+
41
x
+
28
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1
Similar questions
Q.
The degree of the polynomial
x
2
−
5
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is
Q.
Use suitable identities to find the following products:
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x
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)
(
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)
Q.
Solve that
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−
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Q.
Solve
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Q.
Solve the following equation and verify your answer:
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=
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