Factorize each of the following algebraic expressions: `a^4+3a^2+4` (2) `4x^4+1` (3)`4x^4+y^4` (4) `(x+2)^2-6(x+2)+9`

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

Factorize each of the following algebraic expressions: a^(4)+3a^(2)+4(2)4x^(4)+14x^(4)+y^(4)(4)(x+2)^(2)-6(x+2)+925-p^(2)-q^(2)-2pq(6)x^(2)+9y^(2)-6xy-25a^(2)

Factorize each of the following algebraic expressions: a^2+14 a+48 (2) x^2-4x-21 (3) y^2+5y-36 (4) (a^2-5a)^2-36

Factorize each of the following algebraic expressions : x^8-y^8 (ii) a^(12)x^4-a^4x^(12)

Factorize each of the following algebraic expressions: x^(2)-4x+4y-y^(2)( ii) 3-12(a-b)^(2)

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

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

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

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^(8)-y^(8)( ii) a^(12)x^(4)-a^(4)x^(12)