What is expand 2(nx^{n-3}(n-1)(n-2)) ?

The solution to expand 2(nx^{n-3}(n-1)(n-2)) is 2n^3x^{n-3}-6n^2x^{n-3}+4nx^{n-3}

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expand 2(nx^{n-3}(n-1)(n-2))

expand

2 (n x^{n - 3} (n - 1) (n - 2))

2 n^{3} x^{n - 3} - 6 n^{2} x^{n - 3} + 4 n x^{n - 3}

Solution steps

2 (n x^{n - 3} (n - 1) (n - 2))

Remove parentheses:

(a) = a

= 2 n x^{n - 3} (n - 1) (n - 2)

Expand

(n - 1) (n - 2) : n^{2} - 3 n + 2

= 2 n x^{n - 3} (n^{2} - 3 n + 2)

Expand

2 n x^{n - 3} (n^{2} - 3 n + 2) : 2 n^{3} x^{n - 3} - 6 n^{2} x^{n - 3} + 4 n x^{n - 3}

= 2 n^{3} x^{n - 3} - 6 n^{2} x^{n - 3} + 4 n x^{n - 3}

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What is expand 2(nx^{n-3}(n-1)(n-2)) ?
The solution to expand 2(nx^{n-3}(n-1)(n-2)) is 2n^3x^{n-3}-6n^2x^{n-3}+4nx^{n-3}