zayzaybobo zayzaybobo
  • 22-10-2018
  • Mathematics
contestada

What are the solution(s) of x^2-4=20?

Relax

Respuesta :

gmany
gmany gmany
  • 25-10-2018

[tex]x^2-4=20\qquad|+4\\\\x^2=24\to x=\pm\sqrt{24}\\\\x=-\sqrt{4\cdot6}\ \vee\ x=\sqrt{4\cdot6}\\\\x=-2\sqrt6\ \vee\ x=2\sqrt6[/tex]

Answer Link

Otras preguntas

A small child has a wagon with a mass of 10 kilograms. The child pulls on the wagon with a force of 2 newtons. What is the acceleration of the wagon?
How are boundaries between river systems and natural vegetation regions different?
A test tube containing CaCO₃ is heated until the entire compound decomposes. If the test tube plus calcium carbonate originally weighed 30.08 grams and the loss
what did fascists believe was necessary to achieve order in a society
How are boundaries between river systems and natural vegetation regions different?
At what point (x,y) do the two lines with equations x-2y=5 and 3x-5y=8 intersect?
Multiplying a number by 2 and then adding 5 gives the same number as subtracting a number from 23. What is the number?
What does tengo mean in Spanish?
Which sentence does not contain any punctuation errors?  A.The smoothie recipe includes the following, frozen berries, yogurt, and vanilla extract.  B.The smoot
where does england get its natural resources