a^3-3a=2np

解答

a^{3} - 3 a = 2 n p

p = \frac{a ^{3} - 3 a}{2 n}; n \neq = 0

求解步骤

a^{3} - 3 a = 2 n p

交换两边

2 n p = a^{3} - 3 a

两边除以

2 n; n \neq = 0

p = \frac{a ^{3} - 3 a}{2 n}; n \neq = 0

x - 9 = - 5

\frac{w - 1}{2} + \frac{w}{8} = \frac{7 w + 1}{16}

9 x - 3 = 60

6 c + 19 c - 16 c + 3 c - 9 c = 96

5 x + 4 - 2 x = 26 - 3 x