800q^2-300q^2=
5
cos(3x + 2) sen(3x + 2)dx
140-78.6
1/4 (x+7)
9^x+3^x+1-18=0
84.37-26.14
0 to the power of 3
2x+217800/x
Derivada
-1/2+3-1
5+5/5