kevinvelazquez82 kevinvelazquez82
  • 16-09-2020
  • Mathematics
contestada

Solve for x.
3x^2-14=13

Respuesta :

jimrgrant1 jimrgrant1
  • 16-09-2020

Answer:

x = ± 3

Step-by-step explanation:

Given

3x² - 14 = 13 ( add 14 to both sides )

3x² = 27 ( divide both sides by 3 )

x² = 9 ( take the square root of both sides )

x = ± [tex]\sqrt{9}[/tex] = ± 3

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