Given: 5x2 - 6x - 2 = 0
25x2 - 30x - 10 = 0 (multiplying both sides by 5)
25x2 - 30x = 10
(adding on both sides)
using a2 - 2ab + b2 = (a - b)2
(taking square root on both sides)
Hence the roots of equation are
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