Let's find the G.C.D of the following expressions.
`a^2 + b^2 - c^2 + 2ab, c^2 + a^2 - b^2 + 2ca, b^2 + c^2 - a^2 + 2bc`

Let's find G.C.D of the following algebraic expressions. a^2 - b^2 - c^2 + 2bc, b^2- c^2 - a^2 + 2ac , c^2 - a^2 - b^2 + 2ab

Let's find G.C.D of the following algebraic expressions. 4a^2b^2, 20ab^2

Let's find G.C.D of the following algebraic expressions. 3a^2b^2c, 12a^2b^4

Let's find G.C.D of the following algebraic expressions. a^2 -1, a^3 -1, a^2 + a - 2

Let's find the L.C.M of the following algebraic expressions: 11a^2bc^2, 33a^2b^2c, 55a^2bc^2

Let's find the L.C.M of the following algebraic expressions: 5a^5b, 15ab^2c, 25a^2b^2c^2

Let's find the L.C.M of the following algebraic expressions. 3a^2 - 5ab - 12b^2, a^5 - 27a^2 b^3, 9a^2 + 24ab + 16b^2

Let's simplify:- a^2(b^2 - c^2) + b^2 (c^2 - a^2) + c^2 (a^2 - b^2)

Let's express the expressions as sum of two squares: a^2+ b^2 + c^2 +d^2 +2(ac - bd)

Find the product (2a + b+c) (4a ^(2) + b ^(2) + c ^(2) - 2ab -bc -2ca)