awkrp357 awkrp357
  • 03-08-2020
  • Mathematics
contestada

Solve the equation using square roots x^2+20=4

Respuesta :

amt30 amt30
  • 03-08-2020

Answer:

Step-by-step explanation:

x^2+20=4 first isolate the variable by subtracting 20 on both sides.

x^2=-16 again isolate the variable but this time you square root both sides.

[tex]\sqrt{x}^2[/tex]=[tex]\sqrt{-16[/tex] then simplify

x= ±4

Answer Link

Otras preguntas

Please find x in the picture. plz help!!!
The palm of sheilas hand has an area of 0.0017 m2. If the atmospheric pressure on the palm is 100,000 Pa, what force is being exerted on Sheila's palm by the at
5. Judy isn't sure whether a credit card using the average daily balance method, a credit card using the previous balance method, or a credit card using the adj
en pendulum move downward ……. energy change into …… energ​
ASAP! WILL GIVE BRAINLY, THANKS 8522/2 SHOW UR WORK!
sodium hydroxide is a strong base. why?​
Define the word atom.
A group of friends wants to go to the amusement park. They have $182.25 to spend on parking and admission. Parking is $16, and tickets cost $33.25 per person, i
To this day, the greatest challenge of photography remains learning about equipment and darkroom development. True False
can someone answer the question in the photo pls​