Question

Desenvolva os seguintes produtos notáveis:


a) (3x-2)²

b) (2b+c)²

c) (5x+2/3)²

d) (2x-1)³

Answer 1

a)(3x-2).(3x-2)=(9x²-6x+4)

b)(2b+c).(2b+c)=(4b²+4bc+c²)

c)(5x+2/3).(5x+2/3)=(25x²+20/3+4/9)

d)(2x-1).(2x-1).(2x-1)=(8x³-12x²+6x-1)