Simplify each of the following algebraic expressions: `(a^2+b^2+2a b)+(a^2+b^2-2a b)` `(a^2+b^2+2a b)-(a^2+b^2-2a b)`

Simplify each of the following algebraic expressions: (i) (a^2+b^2+2a b)+(a^2+b^2-2a b) (ii) (a^2+b^2+2a b)-(a^2+b^2-2a b)

Factorize each of the following algebraic expressions: a^2-b^2-a-b

Add the algebraic expressions: 3a^2b ,-4a^2b ,9a^2b

Simplify the following algebraic expressions : a^(2) - [b^(2) - {a^(2)-(2b^(2)- bar(a^(2)+b^(2)) }]

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

Factorize each of the following expressions: a^(2)-b^(2)-a-b

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

Factorize each of the following expressions : 1-2a b-(a^2+b^2)

Write the number of terms and also list out the terms in each of the following algebraic expressions. (2a) (-a) +(3b) b- (5c)c+(2a)a-(2b)(-b)

Factorize each of the following expressions: a b(a^2+b^2-c^2)+b c(a^2+b^2-c^2)-c a(a^2+b^2-c^2)