The volume of a rectangular solid is (x³ - 8) cubic cm, and its height is (x - 2) cm. What is the area of its base?
a. x² + 2x + 4
b. x² - 2x + 4
c. x² + 2x - 4
d. - x² + 2x + 4
a. x² + 2x + 4
b. x² - 2x + 4
c. x² + 2x - 4
d. - x² + 2x + 4
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Answer:
none of the above.
Step-by-step explanation:
(x-y)²= x²-2xy+y²
(x-2)²= x²-4x+4