Roodsravirgirl Roodsravirgirl
  • 12-11-2016
  • Mathematics
contestada

Given (x – 7)2 = 36, whats the values of x

Respuesta :

uhhhhidk
uhhhhidk uhhhhidk
  • 12-11-2016
x = 25
(x – 7)2 = 36
(x*2) - (7*2) = 36 : multiply x*2 and 7*2 because of distributive property 
2x - 14 = 36 : multiply
2x = 36 + 14 : add 14 to combine like terms 
2x = 50 : add
x = 50/2 : divide 50 by 2 to get x alone
x = 25 : simplify 
Answer Link

Otras preguntas

which energy transformation takes place when a firecracker explodes? A. Gravitational potential to mechanical and electromagnetic B. Nuclear to kinetic and c
why is it important to fight for your rights
why do you think accurate measurement of time became possible much after accurate measurement of length and mass
How do I solve this if there are only 2 numbers
On a real number line, x = -4 and y = 7. What is the length of the line XY? A: 11 B: 3 C: -11 D: 7
How do you change 26.25% into a number
(x^3)^9 = A: x^12 B: x^27 C: x^3 D: x^6
describe in your own words what is a bookworm?
if employee a logged 120 hours of travel in four years and employee b logged hours of travel at 20% higher rate how many more hours did employee b have than emp
(a + 2b + 3c) − (4a + 6b − 5c) is equivalent to: A. −4a − 8b − 2c B. −4a − 4b + 8c C. −3a + 8b − 2c D. −3a − 4b − 2c E. −3a − 4b + 8c