(ײ-3×+9)(×+3)

= x³ + 27

Answer:

x^3 + 27

Step-by-step explanation:

Distribute all terms

x(x^2) - 3x(x) + 9(x) + 3(x^2) - 3x(3)

+ 9 (3)

x^3 - 3x^2 + 9x + 3x^2 - 9x +27

combine like terms

x^3 + 27

Hope it helps☺️