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Precalculus Examples
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Precalculus
Write in Standard Form x^2-4x
x
2
−
4
x
x
2
-
4
x
Step 1
To write a
polynomial
in standard form, simplify and then arrange the
terms
in descending order.
a
x
2
+
b
x
+
c
a
x
2
+
b
x
+
c
Step 2
The standard form is
x
2
−
4
x
x
2
-
4
x
.
x
2
−
4
x
x
2
-
4
x
x
2
−
4
x
x
2
-
4
x
(
(
)
)
|
|
[
[
]
]
√
√
≥
≥
7
7
8
8
9
9
≤
≤
°
°
θ
θ
4
4
5
5
6
6
/
/
^
^
×
×
>
>
π
π
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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