Question

$x ^{4} - 17x {}^{2} - 16 = 0 \ {x}^{4} + 3 {x}^{2} - 10 = 0 \ {x}^{4} - 10 {x}^{2} + 25 = 0 \ {x}^{4} + 5 {x}^{2} - 36 = 0 \ 2 {x}^{4} - 5 {x}^{2} + 2 = 0$
Помогите решить.

Answer 1

Х4-17х2-16=0
х=17*2
х=34
х=34-16
х=18