Question

write (2x-1)³ in expanded form​

Answer 1

Step-by-step explanation:

(a-b)3=a3-b3-3ab(a-b)

a=2x

b=1

therefore

8x3-1-6x(2x-1)

8x3-1-12x2+6x

plz Mark brainliest

Answer 2

Step-by-step explanation:

( 2x -1)

use binomial them

( a - b) ^3= a^3 - 3 a^ 2 b+

3 ab^2- b^3 to expand ( 2x- 1)^ 3

8x^ 3 - 12 x ^ 2 + 6 x - 1