Question

Simplifique :
A ) 2√5+7√5-16√5
B ) √6+√6+√6
C ) 6 ³√2-10 ³√2
D ) 2√x+2√x+2√x+2√x =

Answer 1

A ) 2√5+7√5-16√5
(2+7-16) √5 = -7√5

B ) √6+√6+√6 = (1+1+1)√6 = 3√6

C ) 6 ³√2-10 ³√2 = (6-10) ³√2 = -4³√2

D ) 2√x+2√x+2√x+2√x = (2+2+2+2) √x = 8√x