Question

$5x {}^{2} - 6x - 2 = 0$
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Answer 1

5x²-6x-2=0

d= b²-4ac

d=(-6)²-4(5)(-2)

d=36+40

d=76

alpha=(-b+√D)/2a=(6+√76)/10

beta=(-b-√D)/2a=(6-√76)/10

•°• x= (6+√76)/10 or (6-√76)/10