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Byju's Answer
Standard VII
Mathematics
Finding the Value of an Expression
Evaluate: 4...
Question
Evaluate:
4
x
(
5
x
−
9
y
)
+
7
z
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Solution
4
x
(
5
x
−
9
y
)
+
7
z
=
20
x
2
−
36
x
y
+
7
z
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0
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Q.
Evaluate:
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(
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Q.
Express the following statement as an algebraic expression:
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