Răspuns :
Te ajut la 1 !
( x + 1 )^2 = 4 <=> / x + 1 / = 2 <=> x + 1 = + sau - 2 ;
Cazul 1 ) x + 1 = 1 => x = 0 ;
Cazul 2 ) x + 1 = - 2 => x = - 3 ;
Bafta !
( x + 1 )^2 = 4 <=> / x + 1 / = 2 <=> x + 1 = + sau - 2 ;
Cazul 1 ) x + 1 = 1 => x = 0 ;
Cazul 2 ) x + 1 = - 2 => x = - 3 ;
Bafta !
x²+2×x×√3+√3²=x²+2√3x+3-10=√3²+2×√3×2+2²
x²+2√3x+3-10=3+4√3+4
x²+2√3x+3-10=3+4√3+4