(2a/5b - 5b/2a) square
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Step-by-step explanation:
Rewrite
(
2
a
−
5
b
)
2
as
(
2
a
−
5
b
)
(
2
a
−
5
b
)
.
(
2
a
−
5
b
)
(
2
a
−
5
b
)
Expand
(
2
a
−
5
b
)
(
2
a
−
5
b
)
using the FOIL Method.
2
a
(
2
a
)
+
2
a
(
−
5
b
)
−
5
b
(
2
a
)
−
5
b
(
−
5
b
)
Simplify and combine like terms.
4
a
2
−
20
a
b
+
25
b
2
([)]|√>≥
789÷<≤
456/×∩∪
123-^π∞
0.,+%=
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