The cube of x equals x, what is x equal to? Just the right answer

The cube of x equals x, what is x equal to? Just the right answer


X ^ 3 = x, that is, X * x * x = X. x * x ^ 2-x = 0, X * (x + 1) * (x-1) = 0, x = 0 or x = - 1 or x = 1



How many grams per liter is 1.5 grams per cubic centimeter


5 g / cm3 = 0. 5 × 1000 = 500 g / L



How much is one cubic meter of liquid oxygen equal to 0.6MPa


1m3 liquid oxygen = 804nm3 oxygen, 0.1MPa under standard condition
Regardless of the temperature, 804 / 6 is OK, equal to 134m3