x2+5x+2x+10
(x+2)(x+5)
a2b+a2c+ab+ac
a(a+1)(b+c)
4xy+8x+2y+4
2(2x+1)(y+2)
a3+3a2b+3ab2+b3
(a+b)3
2x4+8x3+6x2+24x
2x(x2+3)(x+4)
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