Polynomials

Question 1

(a+b) (a-b) = ?

Answer 1

(a^2 - b^2)

Question 2

(a+b)^2 = ?

Answer 2

a^2 + 2ab + b^2

Question 3

(a-b)^2

Answer 3

a^2 - 2ab + b

Question 4

(Ax+B)^2

Answer 4

=Ax^2 + 2ABx + B^2