A.x(x4-64) | B.x(x2+8)(x2-8) | ||||||||
C.x(x2+8)(x+2
| D.x(x+2
|
2 |
2 |
A.4x2+y2 | B.-4x2-y2 | C.-4x2+y2 | D.-4x+y2 |
A.x2-2x-
| B.(a+b)(a-b)-4ab | C.a2+ab+
| D.y2+2y-1 |
A.m(m-n)2-n(n-m)2 | B.
| ||
C.(m-1)2+(n-m)2 | D.-(m-n)2-(n-m)2 |
A.m2-mn+n2 | B.(a+b)2-4ab | C.x2-2x+
| D.x2+2x-1 |
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