sydmac2001 sydmac2001

25-05-2017
Mathematics

contestada

Simplify the radical expression 3√(5) + 6√(45)

A) 9√(50
B) 21√(10)
C) 6√(96)
D) 21√(5)

Respuesta :

WeatheringWithYou WeatheringWithYou

25-05-2017

Simplify [tex]6 \sqrt{45} [/tex], as there is 9 as a factor. The new form is [tex]18 \sqrt{5} .[/tex]

Then, add 18 and 3 to get [tex]21 \sqrt{5} [/tex]
The correct answer is B.

Answer Link

Аноним Аноним

25-05-2021

Answer:

D) 21√(5)

Step-by-step explanation:

Pull terms out from under the radical, assuming positive real numbers.

Answer Link

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