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Subjects
Mathematics CBSE
Class 7
Algebraic expressions
Types of algebraic expressions. Trinomials
16.
Determine the resultant expression
Exercise condition:
5
m.
Multiply the expressions
25
a
2
−
b
2
+
31
and
65
a
2
+
b
2
+
39
, then determine the resultant expression?
The resultant expression of
(
25
a
2
−
b
2
+
31
) (
65
a
2
+
b
2
+
39
) \(=\)
i
+
i
i
−
i
i
−
i
i
i
i
i
+
i
i
i
+
i
.
[
Note
: Insert numbers, variables and their exponents in separate windows].
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