<prompt> Etsa qeto ea hore na ke efe ho tse fanoeng equations eo e seng quadratic.3x2 4x - 2 7x2 3 12x2 - 5x - 13  <response>: Instruction in English: Determine which one of the given equations is not quadratic. . Response in English: All three of the given equations are quadratic.A quadratic equation is an equation of the form ax2 bx c, where a, b, and c are constants and a 0. Each of the given equations is of this form, so none of them are not quadratic. . Response in Sesotho: Li-equations tse tharo kaofela ke quadratic. A quadratic equation ke equation ea foromo ax2 bx c, moo a, b, le c e leng li-constants le 0. E ngoe le e ngoe ea li-equation e fanoeng ke ea mofuta ona, kahoo ha ho le e ngoe ea tsona e seng quadratic. 