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

calculate ✓4+✓16+✓81[tex] \sqrt{4 + \sqrt{16 + \sqrt{81} } } [/tex]​
You throw a ball straight up into the air as hard as you can. If it takes the ball 3 seconds to land back in your hand, how fast did you throw the ball?
Matt remembers visiting the Universal theme park and SeaWorld in Florida with his family when he was 8 years old. This is an example of a(n) a. autobiographic
Writers should use words carefully and construct sentences skillfully to emphasize main ideas and de-emphasize minor ideas. Choose the best response. Which of
What is the term that is concerned with a population's size, age structure, geographic distribution, ethnic mix, and income distribution?
What the difference between food chain and food webs?​
Which of the following describes the wireless standard?a. 802.11b. 854.12c. 800.15d. 756.10
If you add 10 grams of sugar into 30 grams of 20% sugar syrup,_____grams of _______% sugar syrup.
Read the following story summary. Whenever 5 p.m. rolled around and the employees at Canyon NetTech got ready to party, Allen the accountant just went home to b
Alex wants to learn about materials. what question could he ask that could he answered by doing a scientific investigation?