$500^{x}$ =1
x/3-2=x/2
2x+3= $x^{2}$ -1
2x+3=x $x^{2}$ -1
x^4+16x^2+64
(3d-2)/(d^2-3d+2) - (3d-1)/(d^2-2d)
express as a single fraction in its simplest form (3d-2)/(d^2-3d+2) - (3d-1)/(d^2-2d)
3/x=7/10
rational equation
x^4+12x^2+36
1366 + 3987 - 1166 + 13 + 489-126 + 876 - 445