Decide which of the following are
quadratric equations
© x² + 5 -2 = 0
① y² + 1/2=2
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Step-by-step explanation:
x² + 5 -2 = 0
x²+3=0
x²=0-3
x²=-3
① y² + 1/2=2
y²=2×2
y²=4
y =2
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