Question

Why does x^2-2x 7=0 have no real solutions?

Answer 1

I hope this helps you


disctirminant =(-2)^2-4.1. (-7)


disctirminant =4+28


disctirminant =32


x1=-(-2)+square root of32/2.1


x1=2+4 square root of 2/2=1+square root of 2


x2=1-square root of 2