How do you expand (x−1)^3?

Math Staff asked 2 months ago

Answers:

\[\ (x-1)^{3} = x^{3} -3x^{2} + 3x -1 \]

Explanation:

The Formula of

\[\ (a-b)^{3} = a^{3} – b^{3} -3a^{2}b + 3ab^{2}\]

\[\ (x-1)^{3} = x^{3} – 1^{3} -3x^{2}1 + 3×1^{2}\]

\[\ (x-1)^{3} = x^{3} – 1 -3x^{2} + 3x\]