Question

SOLVE THE FOLLOWING BY QUADRATIC FORMULA (10TH CLASS)
$5x { }^{2} - 6x - 2$
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Answer 1

$5x2−6x−2=0 \\ ⇒x2−56x−52=0 \\ ⇒x2−56x=52 \\ ⇒ x2−2×53x+(53)2</p><p></p><p> \\ ⇒(x−53)2=2510+259 \\ ⇒x−53=±519 \\ ⇒x=5±19+3</p><p></p><p></p><p>$