Question

algebra formula

algebra formula

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Answer 1

Step-by-step explanation:

your answer is

1. a2- b2 = (a-b) (a+b)

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

this are the two formula of algebra .

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Answer 2

Answer:

(a+b) ² =a² +2ab +b²

(a-b)²   =a² -2ab +b²

(a+b)³ =a³ +3a²b +3ab² +b³

(a-b)³ =a³-3a²b +3ab² -b³

(a²-b²) =(a+b) (a-b)

Step-by-step explanation:

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