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a fost răspuns

VA ROG
desfaceti parantezele si reduceti termenii asemenea
a) √2(2x-y)-2(√2x+y)+y(1+√2)
b) √6(√2x-√3y)+√3(1-2x)-√2(2-3y)
c) 1/3x(6x-3y)-1/2(4xpatrat-6y)-1/5y(10-5x)
d) -(2√3x-3√2y+4)+(√12x-√18y+6)

Răspuns :

Cosmin377
a)2x√2-y√2-2x√2-2y+y+√2y=
=-y√2-y+y√2=
=-y

b)√12x-√18y+√3-2√3x- 2√2+3√2y=2√3x-3√2y+√3-2√3x-2√2+3√2y=√3-2√2