Factor
a2 + ab+ 3a
a( a + b + 3)
4ab + 10bc
2b( 2a + 5c)
Distribute
3y( 4x - 6y)
12xy - 18y2
5ab - 15ac + 10ad
5a(b - 3c + 2d)
Simplify
- 1/2(6n + 4) +2n
-n - 2
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