Question

$find \: the \: value \: of \: alpha, \\ beta \: and \: discriminate. \\ x^2+5x+7$
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Answer 1

A=1,b =5,c=7

D= b ^2 -4ac

D= 5 ^2- 4×1×7

D= 25 -28=-3

Answer 2

hope the upper picture helps you

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