Question

1)(х+8)*(2х-9)=0
2)-0,5(-10)^3-700

Answer 1

1) (x+8)(2x-9)=0
x₁ + 8 = 0
x₁ = -8

2x₂ - 9 = 0
x₂ = 4,5

Ответ: -8 и 4,5

2)-0,5*(-10)³ - 700 = 0,5*1000 - 700 = 500 - 700 = -200