Question

Реши уравнение: y2+10y+24=0

Answer 1

2у+10у=-24
12у=-24
у=-24:12
у=-2

Answer 2

$y^2+10y+24=0 \\ D= \sqrt{100^2-4*1*24}= \sqrt{4} =б2 \\ \\ x_1= \frac{-10+2}{2} =-4 \\ \\ x_2=\frac{-10+2}{2} =-6$