Question

multiply 3x^2 -2x-1 by x+2​

Answer 1

Answer:

3x³ + 4x² - 5x -2

Step-by-step explanation:

$(3 {x}^{2} - 2x - 1) \times (x + 2)$

=> 3x³ + 6x² - 2x² - 4x - x - 2

=> 3x³ + 4x² - 5x -2

Answered by GauthMath.