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Subjects
Mathematics CBSE
Class 7
Algebraic expressions
Types of algebraic expressions. Trinomials
15.
Simplify a trinomial equation
Exercise condition:
8
m.
Simplify
the trinomial expression
17
x
2
z
2
+
3
xz
+
2
y
,
when
x
=
5
;
y
=
−
4
Answer:
i
z
2
+
i
i
+
i
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