Question

-1 (z+3)(z-3)

-2 (x-3)²

-3 (x+5)(x-5)

4- (x+5)(x+3)​

Answer 1

Respuesta:

1. -1 (z+3)(z-3) = -$z^{2}$ + 9

2. -2 (x-3)² = -$2x^{2}$ + 12x - 18

3. -3 (x+5)(x-5) =- $3x^{2}$ + 75

4. 4- (x+5)(x+3)​ = - $x^{2}$ - 8x - 11

Espero te ayude ;3