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Popular >

expand (a+8)^3

Solution

expand

(a + 8)^{3}

Solution

a^{3} + 24 a^{2} + 192 a + 512

Solution steps

(a + 8)^{3}

Apply Perfect Cube Formula:

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

(a + 8)^{3} = a^{3} + 3 a^{2} \cdot 8 + 3 a \cdot 8^{2} + 8^{3}

= a^{3} + 3 a^{2} \cdot 8 + 3 a \cdot 8^{2} + 8^{3}

Simplify

a^{3} + 3 a^{2} \cdot 8 + 3 a \cdot 8^{2} + 8^{3} : a^{3} + 24 a^{2} + 192 a + 512

= a^{3} + 24 a^{2} + 192 a + 512

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Frequently Asked Questions (FAQ)

What is expand (a+8)^3 ?
The solution to expand (a+8)^3 is a^3+24a^2+192a+512