Question

which of the following are quadratic equation
1.
$m { }^{2} - 2m + 11 = 0 - 5$
2.
$a {}^{2} - 2a + 5 = a {}^{2}$

Answer 1

$m {}^{2} - 2m + 16$= 0

Answer 2

1 and 2 both are quadratic equations because we can make them in the form of
$a {x}^{2} + bx + c = 0$