Factorize each of the following expressions: `x^4-625` (2) `x^4-1` (3)`49(a-b)^2-25(a+b)^2` (4) `x-y-x^2+y^2`

Factorize each of the following expressions: x^2+y-x y-x

Factorize each of the following expressions : x^4+y^4 (ii) x^4+4x^2+3

Factorize each of the following expressions: x^(4)-625(2)x^(4)-149(a-b)^(2)-25(a+b)^(2) (4) x-y-x^(2)+y^(2)16(2x-1)^(2)-25y^(2)(6)4(xy+1)^(2)-9(x-1)^(2)

Factorize each of the following expressions : x^4+x^2+1 (ii) x^4+5x^2+9

Factorize each of the following expressions: x^(4)+x^(2)+1 (ii) x^(4)+5x^(2)+9

Factorize each of the following algebraic expressions: x^2-4x+4y-y^2

Factorize the following expressions 4(x+y)-6(x+y)^2

Factorize each of the following expressions: x^(4)+y^(4)( ii) x^(4)+4x^(2)+3

Factorize each of the following expressions : x^2+2x y+y^2-a^2+2a b-b^2

Factorize the following expressions 9(x-2y)^2-4(x-2y)-13