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cluponka [151]
3 years ago
11

The sum of a whole number and twice the square of the number is 10. Find the number.

Mathematics
1 answer:
sveticcg [70]3 years ago
6 0

Answer:

x = \frac{10}{1 + 2x}

Step-by-step explanation:

Let the number be x

x + 2x² = 10

Factorize x + 2x²

x(1 + 2x) = 10

Divide both sides by (1 + 2x)

x = \frac{10}{1 + 2x}

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