Question

calcule a diferença de dois termo
$(3x - 2) {}^{3}$
Urgenteeee....Mim Ajudeeee

Answer 1

$(3x - 2 {)}^{3} = \\ (3x {)}^{3} - 3 \times (3x {)}^{2} \times 2 + 3 \times 3x \times {2}^{2} - {2}^{3} = \\ 27 {x}^{3} - 6 \times 9 {x}^{2} + 9x \times 4 - 8 = \\ \boxed{27 {x}^{3} - 54 {x}^{2} + 36x - 8}$