A.xm(x3-x) | B.xm(x3-1) | C.xm+1(x2-1) | D.xm+1(x-1)(x+1) |
A.(2a-ax)2 | B.(2a+ax)(2a-ax) | C.a2(2-x)2 | D.a2(2+x)(2-x) |
A.(1-4x2)+(8xy-4y2) | B.(1-4x2-4y2)+8xy |
C.(1+8xy)-(4x2+4y2) | D.1-(4x2+4y2-8xy) |
A.x+1 | B.x-1 | C.x+4 | D.x-4 |
1 |
4 |
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