((x+1))/((xe^(x)+e^(x)))
4x²-8x²+6x²+x²
$\sqrt{\Box1900.2009+25}$
how do you calculate 23% of 205454.82
9273 x 43 =
89500 - 82734
p-1/2x 3/p4/-1/p4
(1-2x)^2-(x^5:x^4)^2=3x(x+2)
3x divided by y + y divided by x
find the domain and range of a function
f(x)=x^2+2