2x(x^2-100)(9x^2-25)=0
3*3-3/3+3=
l´ımx→∞(1 + x)e^1−2x
8S+9=5S
2+2=?
tan -12800degrees
f(x) = 2x^4 + 5x^3 - 15x^2 - 10x + 8
2x+4=14
89-w=260
$$6x=\frac{x}{30}+4$$