Question

40баллов с объснениям
1.(x-2)^2
2.(8-2x)
3.(2y-7)(2y+7x)
4.(3x+12y)^2
5.(11-15x)(-11-15x)
6.(9+8x)^2
7.(11x^2-6)^2
8.(2x^2+3)^2
9.25x^2-9
10.(11x^2-6)^2
11.4x^2-25