Respuesta :

Space

Answer:

V = 6x³ - 21x² - 12x

Step-by-step explanation:

Volume of a Rectangular Prism: V = lwh

Step 1: Define

l = 3x

w = x - 4

h = 2x + 1

Step 2: Substitute

V = 3x(x - 4)(2x + 1)

Step 3: Expand

V = 3x(2x² - 7x - 4)

V = 6x³ - 21x² - 12x

madisongibbs

Answer:

6x to the power of 3 + x to the power of 2 - 4

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