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Subjects
Mathematics CBSE
Class 7
Algebraic expressions
Types of algebraic expressions. Polynomials
3.
The square of the sum formula, polynomial squaring
Exercise condition:
3
m.
Choose the correct answer.
Expand
(
x
+
15
)
2
:
x
2
−
30
x
+
225
225
+
x
2
225
+
15
+
x
+
x
2
x
2
+
30
x
+
225
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