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Basic Math Examples
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Basic Math
Evaluate -|-28|+(-5)^2
−
|
−
28
|
+
(
−
5
)
2
-
|
-
28
|
+
(
-
5
)
2
Step 1
Simplify each
term
.
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Step 1.1
The
absolute value
is the
distance
between a number and
zero
. The
distance
between
−
28
-
28
and
0
0
is
28
28
.
−
1
⋅
28
+
(
−
5
)
2
-
1
⋅
28
+
(
-
5
)
2
Step 1.2
Multiply
−
1
-
1
by
28
28
.
−
28
+
(
−
5
)
2
-
28
+
(
-
5
)
2
Step 1.3
Raise
−
5
-
5
to the
power
of
2
2
.
−
28
+
25
-
28
+
25
−
28
+
25
-
28
+
25
Step 2
Add
−
28
-
28
and
25
25
.
−
3
-
3
−
|
−
2
8
|
+
(
−
5
)
2
-
|
-
2
8
|
+
(
-
5
)
2
(
(
)
)
|
|
[
[
]
]
√
√
≥
≥
π
π
7
7
8
8
9
9
≤
≤
4
4
5
5
6
6
/
/
^
^
×
×
>
>
!
!
1
1
2
2
3
3
-
-
+
+
÷
÷
<
<
,
,
0
0
.
.
%
%
=
=
⎡
⎢
⎣
x
2
1
2
√
π
∫
x
d
x
⎤
⎥
⎦
[
x
2
1
2
π
∫
x
d
x
]
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