Use the data thing to answer all the questions plz

Kapil needed to buy a long wooden beam. he went to two sawmills that each charge an initial fee plus an additional fee for each meter of wood. the following equation gives the price (in dollars) of a wooden beam from the first sawmill as a function of its length (in meters). p = 5+20xp=5+20x

Precalculus question, image attached.

Solve each quadratic equation by factoring and using the zero product property. 14x - 49 = x^2