Respuesta :

Answer:

x^3-2x^2-21x+12

Step-by-step explanation:

use foil method

Space

Answer:

x³ - 2x² - 21x + 12

Step-by-step explanation:

Step 1: Write expression

(x + 4)(x² - 6x + 3)

Step 2: Distribute each term

x³ - 6x² + 3x

4x² - 24x + 12

Step 3: Combine

x³ - 6x² + 3x + 4x² - 24x + 12

Step 4: Combine like terms

x³ - 2x² - 21x + 12

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