Question

6√45-12√48+6√108-10√20=

Answer 1

6.√45 -12√48+6√108-10√20=                Vamos fatorar as raizes:
6.√3².5 - 12√2².2².3 + 6√2².3².3 - 10√2².5 =           Anule as potencias com as raizes:

6.3√5 - 12.2.2√3 + 6.2.3√3 - 10.2√5 = 
18√5 - 48√3 + 36√3 - 20√5 = 
-2√5 - 12√3

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