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Popular >

expand (n-4)^3

Solution

expand

(n - 4)^{3}

Solution

n^{3} - 12 n^{2} + 48 n - 64

Solution steps

(n - 4)^{3}

Apply Perfect Cube Formula:

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

(n - 4)^{3} = n^{3} - 3 n^{2} \cdot 4 + 3 n \cdot 4^{2} - 4^{3}

= n^{3} - 3 n^{2} \cdot 4 + 3 n \cdot 4^{2} - 4^{3}

Simplify

n^{3} - 3 n^{2} \cdot 4 + 3 n \cdot 4^{2} - 4^{3} : n^{3} - 12 n^{2} + 48 n - 64

= n^{3} - 12 n^{2} + 48 n - 64

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Frequently Asked Questions (FAQ)

What is expand (n-4)^3 ?
The solution to expand (n-4)^3 is n^3-12n^2+48n-64