Question

1+8х+16х^2 решите пожалуйста.

Answer 1

1+8х+16х^2=(1+4x)^2________________

Answer 2

1+8x+16x^2
D=b^2-4ac= 8^2 -4*1*16= 64-64=0
то 1 корень 
x= -b|2a = -8|2*1 = -8|2 = -4