Question

Решите уравнения
1. 2
z-6z+9=0
2. 2
x+10x+25=0

Answer 1

1.z-6z+9=0
-5z=-9
z=-9/(-5)
z=9/5=1 4/5
2.x+10x+25=0
11x=-25
x=-25/11=-2 3/11