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

how do you do this ?
Describe how a mole ratio is correctly expressed when it is used to solve a stoichiometry problem
Why was the public reaction to the black panthers mixed?
Nevada's climate is best described as desert steppe. True or False?
Which best describes the authors’ purpose in using a quotation from adam smith’s book the theory of moral sentiments?
did the second bank of the us have the power to establish a national currency
What is change in atomic number when an atom emits positron?
The proud man with the black eye was the _____ of the fight. bitter instigator persecution purge refuge tense martyr
If a Killer whale is feeding at the fourth trophic level, how much phytoplankton mass is required to add each gram of new mass to the whale? Assume that 10% of
The ________ is to ancient indian civilization what the nile river is to ancient egyptian civilization.