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Y2 +4y+1 ; y = -2 . y2-1
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5 votes
Y2 +4y+1
; y = -2 .
y2-1

User Punit Vora
by
4.6k points

1 Answer

1 vote

Explanation:

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

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

-4-8+1=0

-12+1=0

-11=0

User Hughsk
by
5.0k points
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