kaylaharris1213 kaylaharris1213
  • 18-02-2018
  • Mathematics
contestada

Solve for x in the equation x^2-12+36=90

Respuesta :

LarkeraC
LarkeraC LarkeraC
  • 18-02-2018
x^2-12+36=90
(x-6)^2=90
x-6= sqrt of 90
x-6= +- 3 sqrt of 10
x = 6 +- 3 sqrt of 10 
          
Answer Link
ummuabdallah ummuabdallah
  • 15-01-2020

Answer: 8.124

Step-by-step explanation:

x^2 - 12 + 36 = 90

x^2 + 24 = 90

subtract 24 from bothside

x^2 + 24 - 24 = 90 - 24

x^2 = 66

Take the square root of bothside

x = √66

x=8.124

Answer Link

Otras preguntas

P-1=5p+3p-8 how do I solve this?
How many minutes are from 7:41 to 8:22? Plz help is for today!
how is the thermal energy of a substance related to its physical state
which armies had increased in size between 1870 and 1914
What is a close approximation of the circumference of a cake pan that is 9 inches across at its widest spot ? A) 14.2 inches B) 21.7 inches C) 28.3 inches D) 6
how does adaptation affect the survival of a species?why?
which armies had increased in size between 1870 and 1914
How many minutes are from 7:41 to 8:22? Plz help is for today!
How to solv using elimination: 9x-2y=-21 2x+3y=16
In meters, the sides of a triangle measure 14,18 and 12. The length of the longest side of a similar triangle is 21 meters. a. Find the ratio of similitude of