Math, asked by tripuraspinali, 6 hours ago

expand (x - 1)³ solve it fast please ​

Answers

Answered by mdamin15
0

Step-by-step explanation:

(x - 1)^{3}

Formula : \\ (a + b)^{3} = a^{3} + b^{3} + 3ab(a + b)\\

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

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