Question

Formula of algebric expression

Answer 1

Answer:

Hola mate

Formula of algebric expression is

+ + =+

+ - = -

- - =+

- +=-

Hope it helps u

Step-by-step explanation:

Answer 2

Answer:

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

(a − b) 2 = a 2 + b 2 − 2ab.

a 2 − b 2 = (a − b) (a + b)

(x + a) (x + b) = x 2 + (a + b) x + ab.

(a + b + c) 2 = a 2 + b 2 + c 2 + 2ab + 2bc + 2ca.

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