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Pre-Algebra Examples
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Pre-Algebra
Add (6x^3+4x+x^2-7)+(2x^3-8x^2+3)
(
6
x
3
+
4
x
+
x
2
−
7
)
+
(
2
x
3
−
8
x
2
+
3
)
(
6
x
3
+
4
x
+
x
2
-
7
)
+
(
2
x
3
-
8
x
2
+
3
)
Step 1
Remove parentheses.
6
x
3
+
4
x
+
x
2
−
7
+
2
x
3
−
8
x
2
+
3
6
x
3
+
4
x
+
x
2
-
7
+
2
x
3
-
8
x
2
+
3
Step 2
Add
6
x
3
6
x
3
and
2
x
3
2
x
3
.
8
x
3
+
4
x
+
x
2
−
7
−
8
x
2
+
3
8
x
3
+
4
x
+
x
2
-
7
-
8
x
2
+
3
Step 3
Subtract
8
x
2
8
x
2
from
x
2
x
2
.
8
x
3
+
4
x
−
7
x
2
−
7
+
3
8
x
3
+
4
x
-
7
x
2
-
7
+
3
Step 4
Add
−
7
-
7
and
3
3
.
8
x
3
+
4
x
−
7
x
2
−
4
8
x
3
+
4
x
-
7
x
2
-
4
⎡
⎢
⎣
x
2
1
2
√
π
∫
x
d
x
⎤
⎥
⎦
[
x
2
1
2
π
∫
x
d
x
]
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