Ответ:
34b^2 +16b
Объяснение:
(5b-b^2)^2 - b^2(b-3)(b+3)+2b(8+5b^2) =
= 25b^2 -10b^3 +b^4 * (b-3) * (b+3) +2b * (8+5b^2) =
= 25b^2 -10b^3 +b^4 -b^2 *(b^2 -9) +2b *(8+5b) =
= 25b^2 -10b^3 +b^4 -b^2 *(b^2 -9) +16b +10b^3 =
= 25b^2 -10b^3 +b^4 -b^4 +9b^2 +16b +10b^3 =
= 25b^2 +9b^2 +16b = 34b^2 +16b