Please help i dont understand :(

Factor completely. 4p^2 + 36p + 81 express the answer in the form (ap + b)^2

Solve each equation using the quadratic formula. find the exact solutions. 6n^2 + 4n - 11

Pleting the square f the given find the x-intercepts of the parabola with vertex (-5,13) and y-intercept (0, 12). write your answer in this form: (14,.99). if necessary, round to the nearest hundredth. *- h enter the correct answer, de verter, and ametry 00000 done doo