Question

Factorize the following: a^2 + b^2 2ab +2ca​

Answer 1

a^2 + b^2 + c^2 + 2ab + 2bc + 2ac) - c^2

= (a + b + c)^2 - c^2

= (a + b + c + c)(a + b + c - c)

= (a + b + 2c)(a + b)