brirhodes
brirhodes brirhodes
  • 14-05-2020
  • Mathematics
contestada

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

NEED help Solve 3x2 7 5 class=

Respuesta :

TheUnknownScientist
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

Answer Link

Otras preguntas

Name the 4 regions of Germany and what happened to each in 1948
What are the steps to this question
23= x - 9 X = 14 Please help me thanks!
250 as a fraction or a mixed number in simplest form
Cracks in rocks widen as water in them freezes and thaws. How does this affect the surface of the Earth? A It reduces the rates of soil formation. B It chang
Who was the president of the United States at the beginning of the "Era of Good Feeling?" (A)Andrew Jackson (B)James Monroe (C)Abraham Lincoln
8. Solve the equation. (X+3)^3/2-11=53 A. -19 B. -16,16 C. 13 D. 19,13
Why did some people oppose the spoils system? A. It was possible that an unqualified person could receive a government job.B. Women were excluded from being abl
What are the advantages and disadvantages to ethnographic research?
will give Brainliest answer Both primary and secondary succession begin with pioneer species that? A. change the area and make it safer from predatory organisms