Expand the Trigonometric Expression (x-1)^2

Problem

(x−1)2

Solution

1. Identify the expression as a square of a binomial in the form (a−b)2

2. Apply the formula for the square of a binomial, which is (a−b)2=a2−2*a*b+b2

3. Substitute a=x and b=1 into the formula.

4. Simplify the terms to find the final expanded form.

Final Answer

(x−1)2=x2−2*x+1

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