Question

write the first three identity for algebraic expression. ​

Answer 1

Answer:

Identity 1: (a+b)^2 = a^2 + b^2 + 2ab.

Identity 2: (a-b)^2 = a^2 + b^2 – 2ab.

Identity 3: a^2 – b^2 = (a+b) (a-b)

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

1.(a+b)² = a²+2ab+b²

2.a²-b²=(a-b) (a+b)

3.(x+a)(x+b)= x²+(a+b)×x+ab