Question

(a2+5)(a2-4)+2a(a4+1) срочноооо пж​

Answer 1

Ответ:

$( {a}^{2} + 5) \times ( {a}^{2} - 4) + 2a \times ( {a}^{4} + 1) = {a}^{4} - {4a}^{2} + {5a}^{2} - 20 + {2a}^{5} + 2a = {a}^{4} + {a}^{2} - 20 + 2 {a}^{5} + 2a = 2 {a}^{5} + {a}^{4} + {a}^{2} + 2a - 20$