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Popular >

expand (x+n)^3

Solution

expand

(x + n)^{3}

Solution

x^{3} + 3 n x^{2} + 3 x n^{2} + n^{3}

Solution steps

(x + n)^{3}

Apply Perfect Cube Formula:

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

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

= x^{3} + 3 x^{2} n + 3 x n^{2} + n^{3}

= x^{3} + 3 n x^{2} + 3 x n^{2} + n^{3}

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Frequently Asked Questions (FAQ)

What is expand (x+n)^3 ?
The solution to expand (x+n)^3 is x^3+3nx^2+3xn^2+n^3