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1)3)7X^2 -6/7xy-3/7y^2
2)4m(2-n)-6+3n
3)x^3-4x^2-X+4
4)-1/8a^2+1/4ab -1/8b^2
5)3a(b-4)-2b+8
6)x^3+3x^2-x -3
1)3)7X^2 -6/7xy-3/7y^2
2)4m(2-n)-6+3n
3)x^3-4x^2-X+4
4)-1/8a^2+1/4ab -1/8b^2
5)3a(b-4)-2b+8
6)x^3+3x^2-x -3
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Answers & Comments
2) =4m(2-n)-3(2-n)=(2-n)(4m-3)
3) =x^2(x-4)-(x-4)=(x-4)(x^2-1)
4) =
5) =3a(b-4)-2(b-4)= (b-4)(3a-2)
6) = x^2(x+3)-(x+3)=(x+3)(x^2-1)