Don´t understanddd .

a = 32°

Step-by-step explanation:

My thought process was that the square below the 58° usually means that its a 90° angle, so I just did 90°-58°=32°

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!