deasiamarie9 deasiamarie9
  • 26-04-2020
  • Mathematics
contestada

Solve and explain please

Solve and explain please class=

Respuesta :

hopethishelps hopethishelps
  • 26-04-2020

Answer:

j= -9, -2

Step-by-step explanation:

(j+9)(j+2)

j=-9, -2

Answer Link
Аноним Аноним
  • 26-04-2020

Answer:

j₁ = - 2

j₂ = - 9

Step-by-step explanation:

j² + 11j + 18 = 0

j² + 9j + 2j + 18 = 0

j(j+ 9) + 2(j + 9) = 0

(j + 2)(j + 9) = 0

j + 2 = 0 => j₁ = - 2

j + 9 = 0 => j₂ = - 9

Answer Link

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