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Sagot :
Answer:
C (-1/2, -4 1/2)
Step-by-step explanation:
x = -2/(2·2)
x = -2/4 or -1/2
y = 2(-1/2)² + 2(-1/2) - 4
y = 2(1/4) - 1 - 4
y = 1/2 - 1 - 4 or -1/2 - 4 which equals -4 1/2
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