Question Simplify the expression c−239 Evaluate c−24468Solution c−239 Show Solution Factor the expression 21(2c−39) Evaluate c−24468Cancel out the common factor 12 c−239Solution 21(2c−39) Show Solution Find the roots c=239Alternative Form c=19.5 Evaluate c−24468To find the roots of the expression,set the expression equal to 0 c−24468=0Cancel out the common factor 12 c−239=0Move the constant to the right-hand side and change its sign c=0+239Solution c=239Alternative Form c=19.5 Show Solution