
1.x3+3x2y+3xy2+y3 2.a3-3a2b+3ab2-b3 3.p3+3p2q+3pq2+q3
4.8+12a+6a2+a3 5.27-27m+9m2-m3 6. x3-6x2+12x-8 7. y3-9y2+27y-27
8.a3+6a2b+12ab2+8b3 9.c3-9c2d+27cd2-27d3 10.8x3-36x2y+54xy2-27y3
11. a3+12a2b+48ab2+64b3 12. a6+3a4b2+3a2b4+b6

1.(a+b)2 2.(a-b)2 3.(a+3)2 4.(a-3)2
5.(d+c)2 6.(p-q)2 7.(m-n)2 8.(x+1)2 9.(x-1)2

- (p+q)(p2-pq+q2) 2.(p-q)(p2+pq+q2) 3. (a+2)(a2-2a+4) 4.(b-3)(b2+3b+9)
5. (y+1)(y2-y+1) 6. (x-2)(x2+2x+4) 7. (p-1)(p2+p+1) 8. (m+4)(m2-4m+16)
9. (1-q)(1+q+q2) 10. (1+c)(1-c+c2) 11. (1-2a)(1+2a+4a2) 12. (3-2x)(9+6x+4x2)
13.(2a+b)(4a2-2ab+b2) 14. (3x-2y)(9x2+6xy+4y2) 15.(5b2+6)(25b4-30b2+36)
16. (7a2-4b)(49a4+28a2b+16b2) 17. (1/4x-1/3)(1/16x2+1/12x+1/9)
18. (0.2m2-0.3n2)(0.04m4+0.06m2n2+0.09n4)