What is expand (9f^3-1)(9f^3+1) ?

The solution to expand (9f^3-1)(9f^3+1) is 81f^6-1

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expand (9f^3-1)(9f^3+1)

expand

(9 f^{3} - 1) (9 f^{3} + 1)

81 f^{6} - 1

Solution steps

(9 f^{3} - 1) (9 f^{3} + 1)

Apply Difference of Two Squares

(9 f^{3} - 1) (9 f^{3} + 1) : 81 f^{6} - 1

= 81 f^{6} - 1

(x - 3) (x - 7)

(2 - 4 x)^{2}

\frac{x !}{( x + 1 ) !}

- 72

\frac{1}{\frac{1}{14} + \frac{1}{14} + \frac{1}{14}}

What is expand (9f^3-1)(9f^3+1) ?
The solution to expand (9f^3-1)(9f^3+1) is 81f^6-1