1) 2u⁴z²+16uz⁵ = 2uz²(2z+u)(4z²-2uz+u²)
2) 3y²+12y-(y+4)=0
3y²+11y-4=0
Д= 121+4х³х⁴=121+48=169
х₁= -11+13=2; х₂=-11-13=-24
3) 169x+169−x³−x²=0
169(х+1)-х²(х+1)=0
(х+1)(169-х²)=0
(х+1)(13-х)(13+х)=0
х₁=-13; х₂=-1; х₃=13
1) 2u⁴z²+16uz⁵ = 2uz²(2z+u)(4z²-2uz+u²)
2) 3y²+12y-(y+4)=0
3y²+11y-4=0
Д= 121+4х³х⁴=121+48=169
х₁= -11+13=2; х₂=-11-13=-24
3) 169x+169−x³−x²=0
169(х+1)-х²(х+1)=0
(х+1)(169-х²)=0
(х+1)(13-х)(13+х)=0
х₁=-13; х₂=-1; х₃=13