1.3a(1-4a+6a^2)
2.2y(x+y)(x-y)
3.2(3+x^2)(根3+x)(根3-x)
4.(5a+0.7b)(5a-0.7b)
5.(5x-1)^2
6.(2a^2+3b^2)^2
7.(x-12)(x+2)
8.(ab-5)(ab+4)
9.(x+10y)(x+15y)
10.(x^2+4y^2)(x+3y)(x-3y)
1.3a(1-4a+6a^2)
2.2y(x+y)(x-y)
3.2(3+x^2)(根3+x)(根3-x)
4.(5a+0.7b)(5a-0.7b)
5.(5x-1)^2
6.(2a^2+3b^2)^2
7.(x-12)(x+2)
8.(ab-5)(ab+4)
9.(x+10y)(x+15y)
10.(x^2+4y^2)(x+3y)(x-3y)