A) (3-2r3)+(-4+5r3)
B) (2r3+5)-(4r3+2)
C) (4r3+2) (r3-1)
r= to jest pierwiastek bo niewiedziałem jak go przedstawić inaczej
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A) (3-2√3)+(-4+5√3)= 3-2√3+-4+5√3= -1+3√3
B) 2√3+5-4√3-2= -2√3+3
C) (4√3+2)*(√3-1)= 12-4√3+2√3-2= 10-2√3
A)
(3-2√3)+(-4+5√3)= 3 - 2√3 – 4 + 5√3 = 3√3 - 1
B)
(2√3+5)-(4√3+2) = 2√3 + 5 - 4√3 – 2 = 3 - 2√3
C)
(4√3+2) (√3-1) = 12 - 4√3 + 2√3 – 2 = 10 - 2√3