Question

х²+6х+8
Срочно !!!!!

Answer 1

$x^2+6x+8=0 \\ \\ D= \sqrt{6^2-4*1*8} = \sqrt{36-32} = \sqrt{4} =б2 \\ \\ x_1= \frac{-6+2}{2}= \frac{-4}{2} =-2 \\ \\ x_2=\frac{-6-2}{2}= \frac{-8}{2} =-4$