[" 8.Factorise."],[[" (1) "4p^(2)-9q^(2)," (ii) "63a^(2)-112b^(2)],[" (iv) "16x^(5)-144x^(3)," (v) "(1+m)^(2)-112b^(2)],[" (vi) "9x^(2)y^(2)-16," (vii) "(x^(2)-2xy+y^(2))-z^(2)],[" (vii) "25a^(2)-4b^(2)+28bc-49c^(2)]]

Factorise. (i) 4p^2 - 9q^2 (ii) 63a^2 - 112b^2 (iii) 49x^2 - 36 (iv) 16 x^5 - 144x^3 (v) (l + m)^2 - (l--m)^2 (vi) 9x^2y^2 - 16 (vii) (x^2 - 2xy + y^2) - z^2 (viii) 25a^2 - 4b^2 + 28bc - 49c^2

Factorise. (i) 4p^2 - 9q^2 (ii) 63a^2 - 112b^2 (iii) 49x^2 - 36 (iv) 16 x^5 - 144x^3 (v) (l + m)^2 - (l--m)^2 (vi) 9x^2y^2 - 16 (vii) (x^2 - 2xy + y^2) - z^2 (viii) 25a^2 - 4b^2 + 28bc - 49c^2

Factorise : (x^(2) + 4y^(2) - 9z^(2))^(2) - 16x^(2)y^(2)

Factorise : 25a^2 - 4b^2 + 28bc - 49c^2

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)

Factorize: 4x^(2)-4xy+y^(2)-9z^(2) (ii) 16-x^(2)-2xy-y^(2)x^(4)-(x-z)^(4)

Factorise: 4a^(2)-9b^(2) - 16x^(2) + 24bc