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Popular >

expand (s-1)^3

Solution

expand

(s - 1)^{3}

Solution

s^{3} - 3 s^{2} + 3 s - 1

Solution steps

(s - 1)^{3}

Apply Perfect Cube Formula:

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

(s - 1)^{3} = s^{3} - 3 s^{2} \cdot 1 + 3 s \cdot 1^{2} - 1^{3}

= s^{3} - 3 s^{2} \cdot 1 + 3 s \cdot 1^{2} - 1^{3}

Simplify

s^{3} - 3 s^{2} \cdot 1 + 3 s \cdot 1^{2} - 1^{3} : s^{3} - 3 s^{2} + 3 s - 1

= s^{3} - 3 s^{2} + 3 s - 1

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Frequently Asked Questions (FAQ)

What is expand (s-1)^3 ?
The solution to expand (s-1)^3 is s^3-3s^2+3s-1