Question

solve the question of maths a+b​

Answer 1

Step-by-step explanation:

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

= a^2 - ab + 2ac - ab + b^2 - 2bc - 2ac +2bc - 2c^2 (i just multiplied the polynomials)

= a^2 - 2ab + b^2 - 2c^2