x+y+z=78871.29
z-x=x-y
z-x=2100
78839373738283777907689×100000000000000
(x-1/3)(x-4)=0
1/3,4
5*5-5+5/5
32cos^6 theta = cos 6theta + 6cos 4theta + 15cos 2theta + 10
3437.50÷7
200 - m - m^3 - 1/4m
(9x^2 - 2x + 7) + (-6x^2 + 5x - 8)
