19+x^3 is already in simplest terms
Chat with our AI personalities
The cube of any number, X is X*X*X
It is (x + y)^3 - sqrt(5x + 3y) and there is no sensible simplification of this expression.
The number 6 has a cube (6 x 6 x 6) equal to 216. The number 7 has a cube (7 x 7 x 7) equal to 343.
If the cube root of a number is 3, then the number is 3 cubed = 3 x 3 x 3.
A cube is any number multiplied by itself three times, eg 2 cubed = 2³ = 2×2×2 = 8; 1.5³ = 1.5×1.5×1.5 = 3.375 A perfect cube is an integer (whole number) that is the cube of an integer, eg 8 is a perfect cube as it is 2 cubed, but 9 is not a perfect cube as 9 = 2.08008382...³