Plz help me

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 9 + 12x + 4x^2

Which option identifies how kevin should proceed in the following scenario? four years ago kevin designed an mp3 player for young children. now that technology has changed, he would like to update his design to ensure that it encompasses cutting-edge techniques. by creating a third-angle projection of his ideas by designing an isometric projection of his new ideas by referring to past designs and illustrations of his original model by conferring with engineers who have improved upon similar devices

Find the value of x. also give me an explanation so i can complete it to other questions as well, : )