To solve this, you would start by multiplying the exponents in the problem, which makes (3*10^3-7000)/([8*-5]+[4^2+2^2]) become (3*1000-7000)/([8*-5]+[16+4]). Next, you would do all the multiplication, turning (3*1000-7000)/([8*-5]+[16+4]) into (3000-7000)/([-40]+[16+4]). Next, you add and subtract to get your numerator and denominator, going from (3000-7000)/([-40]+[16+4]) to (-4000)/([-40]+[20]) to -4000/-20. Finally, you would divide these two numbers to get -4000/-20=4000/20=200, making 200 your final answer.