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Popular >

expand (s-3)^3

Solution

expand

(s - 3)^{3}

Solution

s^{3} - 9 s^{2} + 27 s - 27

Solution steps

(s - 3)^{3}

Apply Perfect Cube Formula:

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

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

= s^{3} - 3 s^{2} \cdot 3 + 3 s \cdot 3^{2} - 3^{3}

Simplify

s^{3} - 3 s^{2} \cdot 3 + 3 s \cdot 3^{2} - 3^{3} : s^{3} - 9 s^{2} + 27 s - 27

= s^{3} - 9 s^{2} + 27 s - 27

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Frequently Asked Questions (FAQ)

What is expand (s-3)^3 ?
The solution to expand (s-3)^3 is s^3-9s^2+27s-27