izaihjasso02452 izaihjasso02452
  • 05-05-2020
  • Mathematics
contestada

x 2 + 13x + 40 = 0

solving quadratic

Respuesta :

Chelboy
Chelboy Chelboy
  • 05-05-2020

Answer: x=-5 or x=-8

Step-by-step explanation:

x^2+13x+40=0

x^2 + 8x + 5x +40=0

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

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

x+5=0 or x+8=0

x=-5 or x=-8

Answer Link
yoncekhlo
yoncekhlo yoncekhlo
  • 05-05-2020
Answer x=-5 or x=-8
Answer Link

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