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Popular >

expand (a-1)(a^2+a+1)

Solution

expand

(a - 1) (a^{2} + a + 1)

Solution

a^{3} - 1

Solution steps

(a - 1) (a^{2} + a + 1)

Distribute parentheses

= a a^{2} + aa + a \cdot 1 - 1 \cdot a^{2} - 1 \cdot a - 1 \cdot 1

Simplify

a a^{2} + aa + a \cdot 1 - 1 \cdot a^{2} - 1 \cdot a - 1 \cdot 1 : a^{3} - 1

= a^{3} - 1

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Frequently Asked Questions (FAQ)

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