sissysuzanne sissysuzanne
  • 26-02-2021
  • Mathematics
contestada

Solve for x. 3x2 - 10 = -5

Respuesta :

clarch19
clarch19 clarch19
  • 26-02-2021

Answer:

x = [tex]\sqrt{15}[/tex] / 3

Step-by-step explanation:

3x² - 10 = -5

3x² = 5

x² = 5/3

x = [tex]\sqrt{5}[/tex] / [tex]\sqrt{3}[/tex]

Multiply both numerator and denominator by [tex]\sqrt{3}[/tex]

x = [tex]\sqrt{15}[/tex] / 3

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