pareeya2003p pareeya2003p 14-06-2020 Mathematics contestada carina plants a garden that has a length of x-1 feet and a width of -3x-1 feet. she wants to add planting soil to the garden. which of the following equations would help solve this problem? A) (x-1)(-3x-1) B)(x-1)+(-3x-1) C)(x-1)-(-3x-1) D) none