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Pre-Algebra Examples
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Pre-Algebra
Add 2x^2-8x-6+9x^2-8
2
x
2
−
8
x
−
6
+
9
x
2
−
8
2
x
2
-
8
x
-
6
+
9
x
2
-
8
Step 1
Add
2
x
2
2
x
2
and
9
x
2
9
x
2
.
11
x
2
−
8
x
−
6
−
8
11
x
2
-
8
x
-
6
-
8
Step 2
Subtract
8
8
from
−
6
-
6
.
11
x
2
−
8
x
−
14
11
x
2
-
8
x
-
14
⎡
⎢
⎣
x
2
1
2
√
π
∫
x
d
x
⎤
⎥
⎦
[
x
2
1
2
π
∫
x
d
x
]
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