Question

Write the identities in Algebraic expressions chapter

Answer 1

Step-by-step explanation:

a²+b²+2ab=(a+b)²

a²+b²-2ab=(a-b)²

(a+b) (a-b)=a²-b²

hop it may help you

Answer 2

Answer:

1) (a+b)²=a²+2ab+b²

2)(a-b)²=a²-2ab+b²

3)(a+b)(a-b)=a²-b²

4)(x+a)(x+b)=x²+(a+b)x+ab