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Mathematics
Mathematics
Problem
Expand and simplify
2
x
(
3
x
−
7
)
−
x
(
x
+
1
)
+
8
x
2x(3x - 7) - x(x + 1) + 8x
2
x
(
3
x
−
7
)
−
x
(
x
+
1
)
+
8
x
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