Question

Решительно квад.урав. х^2+8х+4=0

Answer 1

x²+8x+4=0
D=64-16=48
√D=4√3
x1=(-8-4√3)/2=-4-2√3
x2=-4+2√3

Answer 2

x²+8x+4=0;
D=48;
x1=(-8-√48)/2=(-8-4√3)/2=-4-2√3;
x2=(-8+4√3)/2=(4√3-8)/2=2√3-4.