charles2487 charles2487

20-10-2020
Mathematics

contestada

y2 +4y+1
; y = -2 .
y2-1

Respuesta :

mail12siraj mail12siraj

20-10-2020

Step-by-step explanation:

y2+4y+1=0. where, y=-2

(-2)2+4(-2)+1

-4-8+1=0

-12+1=0

-11=0

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