Solve the following equation:Y2 + 8y + 16 = 0
(-4 , -4)
(4 , 4)
(4 , -4)
(-4 , 4)
Answers
Answered by
1
Answer:
y2 - 8y + 16 = 0
y2 - 4y - 4y + 16 = 0
y(y-4) -4 (y-4) = 0
(y-4) (y-4) = 0
y = 4 or y = 4.
Answered by
0
Answer:
(-4 , -4 )
Step-by-step explanation:
y2 + 8y + 16 = 0
y2 + 4y + 4y + 16 = 0
Taking y common
y ( y + 4 ) + 4 ( y + 4 ) = 0
( y + 4 ) (y + 4 ) = 0
Hence y = -4 , -4
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