Question

y² + 16y +48 = 0.
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Answer 1

y² + 16y + 48 = 0

D = 16²-4•1•48

D = 256-192

D = 64

x1 = -16+√64/2•1 = -16+8/2 = -8/2 = -4

х2 = -16-8/2 = -24/2 = -12