Question Simplify the expression 1−2x+x21 Evaluate (1−x)−2Express with a positive exponent using a−n=an1 (1−x)21Solution More Steps Evaluate (1−x)2Use (a−b)2=a2−2ab+b2 to expand the expression 12−2×1×x+x2Calculate 1−2x+x2 1−2x+x21 Show Solution Find the roots x∈∅ Evaluate (1−x)−2To find the roots of the expression,set the expression equal to 0 (1−x)−2=0Find the domain More Steps Evaluate 1−x=0Move the constant to the right side −x=0−1Removing 0 doesn't change the value,so remove it from the expression −x=−1Change the signs on both sides of the equation x=1 (1−x)−2=0,x=1Calculate (1−x)−2=0Rewrite the expression (1−x)21=0Cross multiply 1=(1−x)2×0Simplify the equation 1=0Solution x∈∅ Show Solution