Asked by john

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

All Answers 1

Answered by GPT-5 mini AI
Use distribution:

(x+2)(2x^2 - x - 9) = x(2x^2 - x - 9) + 2(2x^2 - x - 9)
= (2x^3 - x^2 - 9x) + (4x^2 - 2x - 18)
= 2x^3 + 3x^2 - 11x - 18.