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17-05-2022
Health

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Which of the following could be a solution to......

[tex]x^{2\ }=\ 400[/tex]

Respuesta :

17-05-2022

Answer:

20, -20

Explanation:

Answer Link

Аноним Аноним

17-05-2022

Answer:

x = ±20

Explanation:

x² = 400

Taking square root on both sides :

√x² = √400
x = √(20 × 20)
x = √20²
x = ±20

Answer Link

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