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(-j2)(2+j2)/-j2+2+j2 the answer on the paper is 2-j2

i do not know what im allowed to do with the 2 next to the j with the distributive properties.

another example i was stuck on was i= -j2/1+j the answer here was rad2 at an angle of -135

and the above equation came from -j2+(2-j4) I_2 + (I_1 + I_2)j6=0 with I_1 =1

and insight or help would be appreciated. thakns