x |
y |
2x-3y |
3x-2y |
x |
y |
2x-3y |
3x-2y |
3 |
4 |
A.a2b(a2-6a+9) | B.a2b(a-3)(a+3) | C.b(a2-3)2 | D.a2b(a-3)2 |
A.a2-b2=(a-b)2 | B.16a2-8ab+b2=(4a-b)2 |
C.a2+ab+b2=(a+b)2 | D.x2y+xy2+xy=xy(x+y) |
A.16x2+1 | B.x2+2x-1 | C.a2+2ab+4b2 | D.x2-x+
|
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