5-5*5+5=?
2x+10=50 . find x
Sendo f(x) = 3x - 1. Calcule f(3)
62:8::76:
$\sqrt{54}$
2x^2-2=2
x'= xcot2y+x^3csc2y
$x^{2}$=54
2x squared minus 2 + 2