Question Simplify the expression −x2+2x−1 Evaluate (x−1)(1−x)Multiply the terms −(x−1)2Expand the expression More Steps Evaluate (x−1)2Use (a−b)2=a2−2ab+b2 to expand the expression x2−2x×1+12Calculate x2−2x+1 −(x2−2x+1)Solution −x2+2x−1 Show Solution Find the roots x=1 Evaluate (x−1)(1−x)To find the roots of the expression,set the expression equal to 0 (x−1)(1−x)=0Multiply the terms −(x−1)2=0Change the signs on both sides of the equation (x−1)2=0The only way a power can be 0 is when the base equals 0 x−1=0Move the constant to the right-hand side and change its sign x=0+1Solution x=1 Show Solution