Question Simplify the expression u−9891 Evaluate 1×u−9891Solution u−9891 Show Solution Find the roots u=9891 Evaluate 1×u−9891To find the roots of the expression,set the expression equal to 0 1×u−9891=0Any expression multiplied by 1 remains the same u−9891=0Move the constant to the right-hand side and change its sign u=0+9891Solution u=9891 Show Solution