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Examples
Step-by-Step Examples
Rational Expressions and Equations
Cancel the Common Factors
2
4
x
−
8
2
4
x
-
8
Step 1
Factor
4
4
out of
4
x
−
8
4
x
-
8
.
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Step 1.1
Factor
4
4
out of
4
x
4
x
.
2
4
(
x
)
−
8
2
4
(
x
)
-
8
Step 1.2
Factor
4
4
out of
−
8
-
8
.
2
4
x
+
4
⋅
−
2
2
4
x
+
4
⋅
-
2
Step 1.3
Factor
4
4
out of
4
x
+
4
⋅
−
2
4
x
+
4
⋅
-
2
.
2
4
(
x
−
2
)
2
4
(
x
-
2
)
2
4
(
x
−
2
)
2
4
(
x
-
2
)
Step 2
Reduce the
expression
2
4
(
x
−
2
)
2
4
(
x
-
2
)
by cancelling the
common factors
.
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Step 2.1
Factor
2
2
out of
2
2
.
2
(
1
)
4
(
x
−
2
)
2
(
1
)
4
(
x
-
2
)
Step 2.2
Factor
2
2
out of
4
(
x
−
2
)
4
(
x
-
2
)
.
2
(
1
)
2
(
2
(
x
−
2
)
)
2
(
1
)
2
(
2
(
x
-
2
)
)
Step 2.3
Cancel the
common factor
.
2
⋅
1
2
(
2
(
x
−
2
)
)
2
⋅
1
2
(
2
(
x
-
2
)
)
Step 2.4
Rewrite the
expression
.
1
2
(
x
−
2
)
1
2
(
x
-
2
)
1
2
(
x
−
2
)
1
2
(
x
-
2
)
Enter YOUR Problem
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⎡
⎢
⎣
x
2
1
2
√
π
∫
x
d
x
⎤
⎥
⎦
[
x
2
1
2
π
∫
x
d
x
]
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