A.(3-x)2 | B.(3+x)(3-x) | C.(9-x)2 | D.(9+x)(9-x) |
A.(x+2)2 | B.(x-2)2 | C.x(x-4)+4 | D.(x+2)(x-2) |
A.4(1-a)+a2 | B.(2-a)2 | C.(2-a)(2+a) | D.(2+a)2 |
A.x2-4=(x+2)(x-2) | B.1-(x+2)2=(x+1)(x+3) | ||||||
C.2m2n-8n3=2n(m2-4n2) | D.x2-x+
|
A.(x-1)2 | B.(x+1)2 | C.-(x+1)(x-1) | D.(x+1)(x-1) |
A.a(a+4b)(a-4b) | B.a(a2-4b2) | C.a(a+2b)(a-2b) | D.a(a-2b)2 |
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