[tex] {x}^{2} + px + 12 = 0 \\ since \: – 1 \: is \: a \: root \: of \: the \: equation \: \\ { (- 1)}^{2} + p( – 1) + 12 = 0 \\ 1 – p + 12 = 0 \\ p = 13[/tex] there you go :) Reply
Answer: p = 13
Solution is in this picture!!!
I hope it will help you!!!☺️
[tex] {x}^{2} + px + 12 = 0 \\ since \: – 1 \: is \: a \: root \: of \: the \: equation \: \\ { (- 1)}^{2} + p( – 1) + 12 = 0 \\ 1 – p + 12 = 0 \\ p = 13[/tex]
there you go :)