That scope came with a 25 mm and a 10 mm eyepiece, which will give about a x40 and a x100 magnification respectively. If the seeing is good (clear sky, not dusty or windy, and the planet not too low (at least 30 deg up from the horizon) you should get a reasonable view of the planets, with these ep's
If you do not have any ep's you could buy 2 or 3 plossl type ep's (nothing more expensive is justified) of say 10 mm, 25 mm, and 32 mm. It looks like it takes ep's with a 1.25" barrel.
The theoretical limiting power of your scope is about x 220, which is about a 4 mm eyepiece, but at that extreme you will find the viewing object is dim, fuzzy, hard to get into the field of view, hard to focus, and totally frustrating.
Sadly this scope is just not a very good one, sorry to sound elitist. One of the issues will be that of collimation (optical alignment). You can never properly focus the scope unless it is collimated. Reflector scopes (with a mirror) all have this difficulty. You can tell if it is collimated with a star test
http://garyseronik.com/no-tools-telescope-collimation/
There should be 3 screws on the bottom end of the scope, where the mirror is. These are the collimation screws. Have somebody screw these in and out while you look through the ep. Remember you can only assess the collimation when the defocussed star image is right in the middle of your view.
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