Due to high demand in the shop, Mrs. Lena would like to increase her flower production. She is thinking of making a larger garden on her 12, 000 square-meter lot. Mrs. Lena asked you to make her a design project for her garden. Out of the given situation and the garden design project, formulate at least two quadratic equations, then solve them by factoring, extracting square root, completing the square or by using the quadratic formula.