Question

please help me if u can ​

Answer 1

$\huge\fcolorbox{red}{cyan}{Option\:C\::\:-9}$

Answer 2

ANSWER

$∆ + 12 = 3 \: \: \: \: \: \: given$

$∆ = 3-12$

$∆ = -9$

so ,the option c) -9 is correct