Algebra

a number added to 50

-6x²-5x²

The square of a number

29 times a number

triple a number

2x³+4x³

The cube of a number

5x4⁴-2x⁴

The difference between 70 and a number

double a number plus triple

x3

29n

3x⁴

2x + 3x

x²

n³

-11x²

70-x

50+n

6x³