Expand (2x - 1)^3 using suitable identity
Answers
Answered by
4
Answer:
(a-b)³ = a³ - b³ - 3ab(a-b)
(2x - 1)³ = (2x)³ - (1)³ - 3(2x)(1)(2x-1)
= 8x³ - 1 - 6x(2x - 1)
= 8x³ -1 - 12x² - 6x
= 8x³ - 12x² - 6x - 1
hope it will help you
follow me on brainly
follow me on brainly also on Instagram id
follow me on brainly also on Instagram id skg9304
Similar questions