Iwill mark ! the question is in the picture!

Hello!

Just add up all of the recorded dots: 13. :)

Hope I’m not too late answering this.

Have fun! Stay cool!

~ Destiny ^_^

i think it's ф or x=6,-6

step-by-step explanation:

-x^2=-36

x^2=-36

ф

or

if you mean by : -(x^2)=-36

it'll be: x^2=36

x=6,x=-6

hope it'll ! have a good day!

you for asking!