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Popular >

expand (a+4)^3

Solution

expand

(a + 4)^{3}

Solution

a^{3} + 12 a^{2} + 48 a + 64

Solution steps

(a + 4)^{3}

Apply Perfect Cube Formula:

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

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

= a^{3} + 3 a^{2} \cdot 4 + 3 a \cdot 4^{2} + 4^{3}

Simplify

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

= a^{3} + 12 a^{2} + 48 a + 64

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Frequently Asked Questions (FAQ)

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