(2×+3)³ bagaimana cara menjawab nya

(2x+3)(2x+3)(2x+3)
=(4x² + 12x +9)(2x+3)
=8x³ + 36x² + 54x + 27

(2x+3)^3= (2x+3) (2x+3) (2x+3)= 4x^2+6x+6x+9 (2x+3)= 8x^3+12x^2+12x^2+18x+12x^2+18x+18x+27 =8x^3+36x^2+54x+27