22-10-2018
Mathematics

contestada

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

Respuesta :

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22-10-2018

Answer:

x = [tex]\frac{10}{1 + 2x}[/tex]

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 = [tex]\frac{10}{1 + 2x}[/tex]

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