Question

Cara penyelesaian:

3 (2x-1) pangkat 3

Answer 1

Penyelesaian:
3 . (2x - 1)^3
= 3 . ((2x - 1) (2x - 1) (2x - 1))
= 3 . ((4x^2 - 2x - 2x + 1) (2x - 1))
= 3 . ((4x^2 - 4x + 1) (2x - 1))
= 3 . (8x^3 - 4x^2 - 8x^2 + 4x + 2x - 1)
= 3 . (8x^3 - 12x^2 + 6x - 1)
= 24x^3 - 36x^2 + 18x -3