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Find the sum.
(
15
x
5
+
23
x
3
+
33
)
+
(
28
x
5
+
64
x
3
-
13
)
=
43
x
5
+
87
x
3
+
20
↑
X
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Basic
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Trig
x
x
√
n
√
|
|
(
)
π
∞
DNE
x
√
(
)
π
∞
DNE
(
)
(
]
[
)
[
]
—∞
∞
∪
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<
>
≤
≥
or
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DNE
log
log
n
ln
n
√
|
|
e
sin
cos
tan
arcsin
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⟨
⟩
∞
DNE
-∞
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∪
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