Question

what are identities of algebraic expressions?

Answer 1

Answer:

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Answer 2

Answer:

1. (a+b)^2=a^2+2ab+b^2
2. (a-b)^2=a^2-2ab+b^2
3. a^2-b^2= (a-b)(a+b)
4. x^2+(a+b)x+ab=(x+a)(x+b)