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The volume of a small packing box is "3x2 + 3x" in3 smaller than a large packing box with a volume of "5x2 − 2x + 10" in3. Find a single expression that represents the size of a small packing box. A) 2x2 − 2x + 10 B) 2x2 − 5x + 10 C) 8x2 − 5x + 10 D) 8x2 + x + 10

Respuesta :

Answer:

B

Step-by-step explanation:

subtract the volume of the small box from the large box, that is

5x² - 2x + 10 - (3x² + 3x)

= 5x² - 2x + 10 - 3x² - 3x ( collect like terms )

= 2x² - 5x + 10 → B

The answer is:

B. (5x2 − 2x + 10) − (3x2 + 3x) = 2x2 − 5x + 10)



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