Question Simplify the expression s5−1 Evaluate s5×1−1Solution s5−1 Show Solution Factor the expression (s−1)(s4+s3+s2+s+1) Evaluate s5×1−1Any expression multiplied by 1 remains the same s5−1Calculate s5+s4+s3+s2+s−s4−s3−s2−s−1Rewrite the expression s×s4+s×s3+s×s2+s×s+s−s4−s3−s2−s−1Factor out s from the expression s(s4+s3+s2+s+1)−s4−s3−s2−s−1Factor out −1 from the expression s(s4+s3+s2+s+1)−(s4+s3+s2+s+1)Solution (s−1)(s4+s3+s2+s+1) Show Solution Find the roots s=1 Evaluate s5×1−1To find the roots of the expression,set the expression equal to 0 s5×1−1=0Any expression multiplied by 1 remains the same s5−1=0Move the constant to the right-hand side and change its sign s5=0+1Removing 0 doesn't change the value,so remove it from the expression s5=1Take the 5-th root on both sides of the equation 5s5=51Calculate s=51Solution s=1 Show Solution