kieuphuonguyennguyen kieuphuonguyennguyen
  • 02-07-2020
  • Mathematics
contestada

(√x + 2)(√x - 2) = 0 .find x

Respuesta :

rebeccarayshma
rebeccarayshma rebeccarayshma
  • 02-07-2020

Answer:

[tex]( \sqrt{x} + 2)( \sqrt{x} - 2) = 0[/tex]

[tex]( \sqrt{x} ) {}^{2} - 2 {}^{2} = 0[/tex]

[tex]x - 4 = 0[/tex]

[tex]x = 4[/tex]

Answer Link

Otras preguntas

one hundred eighty is equal to how many tens
What European countries were competing for Asian trade during the age of exploration?
What do you need to conduct an experiment
round to the nearest hundredth. 84.562
Alejandra has five hair ribbons measuring 8,13,11,9, and 13 inches long what is the median length of the ribbons
what is the relationship between the values of the 4s in 4,438
How can I fill do this problem?10x2 tens=_______ones=______
At summer camp the ratio of boys to girls was 7:2 If there were 21 boys how many girls were there?
A class has 6 boys and 15 girls. What is the ratio of boys to girls
How you solve 7p+9=81