Question

2x
$2x { }^{2} - (a - 1)x + a + 1 = 0$

Answer 1

$\bf\implies\: 2x^2\:-\:(a-1)\:x\:+a\:+\:1\:=\:0$

$\sf\implies\:2x^2\:-\:ax\:+\:x\:+\:a\:+\:1\:=\:0$

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