Question Simplify the expression 1−s Evaluate 5−s−4Solution 1−s Show Solution Find the roots s=1 Evaluate 5−s−4To find the roots of the expression,set the expression equal to 0 5−s−4=0Subtract the numbers 1−s=0Move the constant to the right-hand side and change its sign −s=0−1Removing 0 doesn't change the value,so remove it from the expression −s=−1Solution s=1 Show Solution