Factor:
1. 6y2 - 24
2.
4(a - b) - w(a - b)
3.
x3 - x2 - x + 1
4.
x6n + x3n - 12
Solve for unknown.
5.
x3 - 4x2 = 21 x
Simplify:
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Simplify the radical expression
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