Seudónimo Seudónimo
  • 02-04-2015
  • Mathematics
contestada

What is the value of X in the following equation (x-2)(x+8)=0 and (x-7) to the second power=0

Respuesta :

Panoyin
Panoyin Panoyin
  • 03-04-2015
(x - 2)(x + 8) = 0
x - 2 = 0  or  x + 8 = 0
  + 2 + 2           - 8  - 8
     x = 2             x = -8

(x - 7)² = 0
√(x - 7)² = √(0)
x - 7 = 0
  + 7 + 7
     x = 7
Answer Link

Otras preguntas

help pls fact and give me the steps pls -26a-3+20a=27
Important characteristics of antimicrobial drugs include ________. Group of answer choices A. All of the choices are correct. B. high toxicity against microbial
Which of these is the best sign that someone might be dealing with a mental health disorder?
Miguel y yo ___________ enfermos.
What was the author implying when she wrote the sentence? O The conditions of the employees are of no concern to the employer. O The conditions of the factory a
PLEASE HELP!! ASAP! You've made the hypothesis that the steeper the slope, the faster a ball will be rolling when it reaches the bottom. What should be your dep
Which factors most directly control the development of soils?
What are the values of u and v
This is a phrase in common use that can not be understood by literal or ordinary meanings.
2 - log (x + 3) = log (25)