brirhodes brirhodes

14-05-2020
Mathematics

contestada

NEED help !!
Solve 3x^2 - 7 = 5.

NEED help Solve 3x2 7 5 class=

Respuesta :

TheUnknownScientist TheUnknownScientist

14-05-2020

Answer:

D.) x = +-2

Step-by-step explanation:

3x² - 7 = 5

3x² = 7 + 5

3x² = 12

x² = 12/3

x² = 4

x = +-√4

x = +-2

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