Question Simplify the expression c−219 Evaluate c−22209Solution c−219 Show Solution Factor the expression 21(2c−19) Evaluate c−22209Cancel out the common factor 11 c−219Solution 21(2c−19) Show Solution Find the roots c=219Alternative Form c=9.5 Evaluate c−22209To find the roots of the expression,set the expression equal to 0 c−22209=0Cancel out the common factor 11 c−219=0Move the constant to the right-hand side and change its sign c=0+219Solution c=219Alternative Form c=9.5 Show Solution