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malfutka [58]
3 years ago
15

If x Is a real number such that x3 = 64, the x2 + x equals what?

Mathematics
1 answer:
Annette [7]3 years ago
7 0

Answer:

20

Step-by-step explanation:

Assuming that the equation is x³ = 64, that can be solved by putting cube root on both sides like so: ∛(x³) = ∛64, which simplifies to <em>x = 4</em>.

Plugging that into our expression gives us <em>4² + 4</em>, which is 20.

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