fisham52
fisham52 fisham52
  • 17-05-2022
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Which of the following could be a solution to......

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

Respuesta :

NlKKl
NlKKl NlKKl
  • 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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