2x³+4x³
triple a number
29 times a number
a number added to 50
5x4⁴-2x⁴
The difference between 70 and a number
-6x²-5x²
The square of a number
double a number plus triple
The cube of a number
3x⁴
x²
2x + 3x
50+n
70-x
6x³
n³
-11x²
29n
x3
