What is factor 2a^7-128a ?

The solution to factor 2a^7-128a is 2a(a+2)(a-2)(a^2+4+2a)(a^2+4-2a)

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factor 2a^7-128a

factor

2 a^{7} - 128 a

2 a (a + 2) (a - 2) (a^{2} + 4 + 2 a) (a^{2} + 4 - 2 a)

Solution steps

2 a^{7} - 128 a

Factor out common term

2 a : 2 a (a^{6} - 64)

= 2 a (a^{6} - 64)

Factor

a^{6} - 64 : (a + 2) (a - 2) (a^{2} + 4 + 2 a) (a^{2} + 4 - 2 a)

= 2 a (a + 2) (a - 2) (a^{2} + 4 + 2 a) (a^{2} + 4 - 2 a)

(\frac{1}{x} + \frac{y}{3})^{3}

8 x^{3} - \frac{1}{8} - 3 x + \frac{3}{x}

x^{2} + \frac{1}{2} x + 3 x y

\frac{3}{5} y + \frac{( - 6 )}{5} y

- sin^{2} (q) + cos^{2} (q)

What is factor 2a^7-128a ?
The solution to factor 2a^7-128a is 2a(a+2)(a-2)(a^2+4+2a)(a^2+4-2a)