Question Simplify the expression s−3997 Evaluate s−1990−2007Solution s−3997 Show Solution Find the roots s=3997 Evaluate s−1990−2007To find the roots of the expression,set the expression equal to 0 s−1990−2007=0Subtract the numbers s−3997=0Move the constant to the right-hand side and change its sign s=0+3997Solution s=3997 Show Solution