What is the surface area of the triangular prism? A.60 square feet
B.72 square feet
C.82 square feet
D.84 square feet

72

Step-by-step explanation:

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!