Question

1. (x − 2)(x + 2)


2. (a + 3)(a − 3)


3. (2x − 5)(2x + 5)​

Answer 1

Respuesta:

1. (x-2)(x+2)

1. (2x+2x-2x-4)

1. (4x+8×)

R= (12x)

2. (a+3)(a-3)

2. (2a-3a+3a-9)

2.(5a+11a)

R= (16a)

3. (2x-5)(2x+5)

3. (4x+10x-10x-25)

3. (14x+35x)

R= (49x)