Question

Al operar y simplificar 4−4(x−1)(x+2)+4x

Answer 1

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

- (4x - 4) (x + 2) + 4x + 4

- (4x² + 8x - 4x - 8) + 4x + 4

- (4x² + 4x - 8) + 4x + 4

- 4x² - 4x + 8 + 4x + 4

 - 4x² + 12

Solución : 

- 4x² + 12