Question

complete the following formula:
i)(a+b)2
ii)(a-b)2
iii)a2-b2
iv)(x+a)(x+b)​

Answer 1

Answer:

(a+b)² = a²+2ab+b²

(a-b)²= a²-2ab+b²

a²-b ² = (a+b)(a-b)

(X+a)(X+b)= x²+X(a+b)+ab

Answer 2

Answer:

i) (a+b)2 = a2 + 2ab + b2

ii) (a-b)2 = a2 - 2ab + b2

iii) a2-b2 = (a+b)(a-b)