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Subjects
Mathematics CBSE
Class 7
Algebraic expressions
Types of algebraic expressions. Polynomials
2.
Application of the formula of the difference of squares
Exercise condition:
3
m.
Write the number that should be in place of dots in the following equality.
9
z
−
...
9
z
+
...
\(=\)
81
z
2
−
36
The answer is:
.
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