Question Simplify the expression a4−4a3+6a2−4a+1 Evaluate (a−1)4Solution a4−4a3+6a2−4a+1 Show Solution Find the roots a=1 Evaluate (a−1)4To find the roots of the expression,set the expression equal to 0 (a−1)4=0The only way a power can be 0 is when the base equals 0 a−1=0Move the constant to the right-hand side and change its sign a=0+1Solution a=1 Show Solution