Part 1Determine whether or not the given equation is quadratic. If the resulting form is​ quadratic, identify​ a, b, and​ c, with agreater than>0. ​Otherwise, explain why the resulting form is not quadratic.x left parenthesis x plus 6 right parenthesis equals 1x(x+6)=1 Part 1Select the correct choice below​ and, if​ necessary, fill in the answer boxes to complete your choice. A. The equation is quadratic with aequals=[input]enter your response here ​, bequals=[input]enter your response here ​, and cequals=[input]enter your response here . B. The equation is not quadratic because there is a term with degree higher than 2. C. The equation is not quadratic because the expression is not equal to zero. D. The equation is not quadratic because there is no x squaredx2​-term.多项填空题