cheesedoodle
cheesedoodle cheesedoodle
  • 24-03-2019
  • Mathematics
contestada

Solve for x. 5x^2 – 45 = 0

Respuesta :

meghanbf
meghanbf meghanbf
  • 24-03-2019

5x^2-45=0

*Add 45 to both sides*

5x^2=45

*Divide both sides by 5*

x^2=9

*Take the square root of both sides*

x=+/-9

Hope this helps!!

Answer Link
zacrutchy zacrutchy
  • 24-03-2019

Answer:

+-3

Step-by-step explanation:

1. Add 45 to each side: 5x^2=45

2. Divide 5 on each side: x^2=9

3. Square root both sides: x= +-3

Answer Link

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