Question

a) (X-2) ²
b) (X-3) ²
c) (2X-3) ²
d) (3X-4) ²

Answer 1

Resposta:

Explicação passo a passo:

A) X²- 2.2.X+ 2²

= X² - 4x +4

B) X² - 2.3.X + 3³

= X²- 6x + 9

C) (2x - 3)² = 2x² - 2 * 2x * 3 + 3²

(2x - 3)² = 4x² - 12x + 9

D) (3X+4) .(3x+4)

(3X . 3X) + (3X .4)+(4.3X)+(4.4)

9X²+12X+12X +16

= 9X² +24X +16