-х^2 - 4x + 3 = 0 помогите

Question

-х^2 - 4x + 3 = 0 помогите

Answer 1

- x²-4x+3=0
x²+4x-3=0
D/4=4+3=7=+-2.65
x1= -2+2.65=0.65
x2= -2-2.65= - 4.65