What is expand (9df-7)^3 ?

The solution to expand (9df-7)^3 is 729df^3-1701df^2+1323df-343

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expand (9df-7)^3

expand

(9 df - 7)^{3}

729 d f^{3} - 1701 d f^{2} + 1323 df - 343

Solution steps

(9 df - 7)^{3}

Apply Perfect Cube Formula:

(a - b)^{3} = a^{3} - 3 a^{2} b + 3 a b^{2} - b^{3}

a = 9 df, b = 7

= (9 df)^{3} - 3 (9 df)^{2} \cdot 7 + 3 \cdot 9 df \cdot 7^{2} - 7^{3}

Simplify

(9 df)^{3} - 3 (9 df)^{2} \cdot 7 + 3 \cdot 9 df \cdot 7^{2} - 7^{3} : 729 d f^{3} - 1701 d f^{2} + 1323 df - 343

= 729 d f^{3} - 1701 d f^{2} + 1323 df - 343

\frac{( 2 - w ) ^{3}}{w ^{2}}

\frac{( n ^{2} - 36 ) ^{2}}{36 n ^{2}}

\frac{2 ( 6 + 51 )}{3}

(2 π k^{5} + 5 k^{4}) (πk + 3)

53.39 (1 - e^{- 0.18355 t})

What is expand (9df-7)^3 ?
The solution to expand (9df-7)^3 is 729df^3-1701df^2+1323df-343