Question

Ola!

Calcular x:
(x+2)(x-1)=0

(x-5)(x+8)=0​

Answer 1

Explicação passo-a-passo:

a)

(x + 2).(x - 1) = 0

• x + 2 = 0

x' = -2

• x - 1 = 0

x" = 1

b)

(x - 5).(x + 8) = 0

• x - 5 = 0

x' = 5

• x + 8 = 0

x" = -8