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Popular >

expand (a+x)^3

Solution

expand

(a + x)^{3}

Solution

a^{3} + 3 x a^{2} + 3 a x^{2} + x^{3}

Solution steps

(a + x)^{3}

Apply Perfect Cube Formula:

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

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

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

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

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Frequently Asked Questions (FAQ)

What is expand (a+x)^3 ?
The solution to expand (a+x)^3 is a^3+3xa^2+3ax^2+x^3