" (v) "((3)/(x)-(5)/(y))((9)/(x^(2))+(25)/(y^(2))+(15)/(xy))quad " (vi) "(3+(5)/(x))(9-(15)/(x)+(25)/(x^(2)))

Find the products: ((3)/(x)-(5)/(y))((9)/(x^(2))+(25)/(y^(2))+(15)/(xy))

Find the products: (3+(5)/(x))(9-(15)/(x)+(25)/(x^(2)))

Find the products: (3/x-5/y)(9/(x^2)+(25)/(y^2)+(15)/(x y))

Find the products: (3+5/x)(9-(15)/x+(25)/(x^2))

(9x^(2)-25y^(2)+60y-36)/((3x+5y-6))

{:("Column" A ,, "Column" B), ((3x^(2) - 5)- (2x^(2) - 5 + y^(2)) ,, (a) x^(2) + xy + y^(2)) , (9x^(2) - 16y^(2) ,, (b) 2) , ((x^(3) - y^(3))/(x-y) ,, (c) (9x + 16y) (9x - 16y)) , ("The degree of " (x + 2) (x+3) ,, (d) x^(2) - y^(2)) , (,, (e) 1) , (,, (f) (3x + 4y) (3x - 4y)):}

Factorise the following : (i) 9a^(2)-b^(2) " " (ii) 81x^(3)-x " " (iii) x^(3)-49xy^(2) " " (iv) a^(2)-(b-c)^(2) (v) (x-y)^(3)-x+y " " (vi)x^(2)y^(2)+1-x^(2)-y^(2) " " (vii) 25(a+b)^(2)-49(a-b)^(2) " " (viii) xy^(5)-x^(5)y (ix) x^(8)-256 " " (x) x^(8)-81y^(8)

Factorise the following : (i) 9a^(2)-b^(2) " " (ii) 81x^(3)-x " " (iii) x^(3)-49xy^(2) " " (iv) a^(2)-(b-c)^(2) (v) (x-y)^(3)-x+y " " (vi)x^(2)y^(2)+1-x^(2)-y^(2) " " (vii) 25(a+b)^(2)-49(a-b)^(2) " " (viii) xy^(5)-x^(5)y (ix) x^(8)-256 " " (x) x^(8)-81y^(8)

Find each of the following products: (-(7)/(5)xy^(2)z)x((13)/(3)x^(2)yz^(2))(-(24)/(25)x^(3)z)x(-(15)/(16)xz^(2)y)