Question Simplify the expression h−21 Evaluate h−63Solution h−21 Show Solution Factor the expression 21(2h−1) Evaluate h−63Cancel out the common factor 3 h−21Solution 21(2h−1) Show Solution Find the roots h=21Alternative Form h=0.5 Evaluate h−63To find the roots of the expression,set the expression equal to 0 h−63=0Cancel out the common factor 3 h−21=0Move the constant to the right-hand side and change its sign h=0+21Solution h=21Alternative Form h=0.5 Show Solution