82
80+1 = 81
81*82/2= 3321
87
The answer to the question is: (2p+1)(2p+81) for Equation 4p^2+164p+81 P.S ^ is exponent
78 + 79 + 80 + 80 + 81 + 81 = 479
It is: 11+5+32+81 = 129
-81
81
105 + 66 + 287 + 81 = 539
-81 + 11 = -70
-81 + 43 = -38
81 + 36 = 117