Please answer correctly

30

Step-by-step explanation:

3 multiply 5 =15

so:

6 multiply 5=30

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!

just take the area of the square and then the area of the circle then subtract the circle area from the squares area

step-by-step explanation: