A.x(x+y)(x-y) | B.x(x2+y2) | C.x(x-y)2 | D.xy(x-y) |
A.(x+y+1)(x-y-1) | B.(x+y-1)(x-y-1) | C.(x+y-1)(x+y+1) | D.(x-y+1)(x+y+1) |
A.(x-y)(x-y+1) | B.(x-y)(x-y-1) | C.(x+y)(x-y+1) | D.(x+y)(x-y-1) |
A.(a+2)(3b+2)(a-3b) | B.(a-9b)(a+9b) |
C.(a-9b)(a+9b+2) | D.(a-3b)(a+3b+2) |
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