aaronm2056 aaronm2056
  • 11-08-2018
  • Mathematics
contestada

How to simplify the square root of 80 minus two times the square root of 45?

Respuesta :

helenelisabeth helenelisabeth
  • 11-08-2018

[tex] \sqrt{80}-2 \sqrt{45}= \sqrt{4 \cdot 4 \cdot 5}-2 \sqrt{9 \cdot 5}= 2 \cdot 2 \cdot \sqrt 5 - 2 \cdot 3 \cdot \sqrt 5 = [/tex]

[tex] =4 \sqrt5 - 6\sqrt5=\boxed{-2\sqrt5} [/tex]

-2√5 is your answer

Answer Link

Otras preguntas

understanding trail ratingsWhat characteristics of a trail do you think determines the "trail rating?" Explain your thinking below.
co The Consttution originally provided for the direct election of US Senators by the people True or False​
Compare and contrast a sport that is played in two different parts of the world.
bro 8th grade is so hard help!
Question 2 of 10 Which picture shows the correct graph of [x = -4?
5. Find the product. (1 point) 5 5 9 -2 3 8 7 20 80 32 3 0 20 80 3 32 -20 40 45 35 0 8 24 이 -18 21
PLEASE HELP TO THIS I WILL GIVE BRAINLIEST Students need to raise a specific situation in their community especially in these times of pandemic wherein they hav
how could two different buses have two different momentum
Find the equation of this line. 1 y = x + [ ]
Why is the Mesopotamian civilization considered more advanced than Early Humans?