(4x+9y)(4x9y) find the product
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Answer:
Explanation:
In general:
XXX
(
a
2
−
b
2
)
=
(
a
+
b
)
(
a
−
b
)
Evaluate with
XXX
a
=
4
x
and
XXX
b
=
9
y
Step-by-step explanation:
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