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Pre-Algebra Examples
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Pre-Algebra
Add (2x^3+3x^2+4)+(6x^3-x^2-5x)
(
2
x
3
+
3
x
2
+
4
)
+
(
6
x
3
-
x
2
-
5
x
)
Step 1
Remove parentheses.
2
x
3
+
3
x
2
+
4
+
6
x
3
-
x
2
-
5
x
Step 2
Add
2
x
3
and
6
x
3
.
8
x
3
+
3
x
2
+
4
-
x
2
-
5
x
Step 3
Subtract
x
2
from
3
x
2
.
8
x
3
+
2
x
2
+
4
-
5
x
[
x
2
1
2
√
π
∫
x
d
x
]
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