4 hours is equal to one of the Earth? ILL MARK PL

the earth spins 1,600 km per hour so times 4 is 6,400 and convert that to a fraction i'm not sure if this is right

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!