Question

1)х⁴+2х²-8=0
2)х²+7хх+8=8х+8​

Answer 1

Ответ:

Объяснение:

1) x²-2x - 24=0

x1+x2= –b = 2 x1 =6

x1 • x2= c = -24 x2 = -4