What is the area? Please I need help ​

Solve each quadratic equation by factoring and using the zero product property. n^2 - 49 = 0

Can someone me with my math problem pls my teacher is on my back about this

Will mark brainliest for correct answer! i have been on this problem for an hour and can't find the answer. i'm begging here! incase you cant read the instructions in the picture because of too much or too little lighting: note: enter your answer and show all the steps that you use to solve this problem in the space provided.write a list of steps that are needed to find the measure of b. provide all steps as clear as possible, !