Question

ДОПОМОЖІТЬ!! ДАМ 50Б ТЕРМІНОВО

Answer 1

$\displaystyle\bf\\\Big(a^{2} +4a^{3} -5a^{5} \Big)-M=3a^{3}+a^{2} -6\\\\\\a^{2} +4a^{3} -5a^{5} -\Big(\underbrace{a^{3}-5a^{5}+6}_{M}\Big) =3a^{3}+a^{2} -6\\\\\\a^{2} +4a^{3} -5a^{5} -a^{3} +5a^{5} -6=3a^{3} +a^{2} -6\\\\\\3a^{3} +a^{2} -6=3a^{3} +a^{2} -6 \ \ - \ verno\\\\\\Otvet \ : \ M=a^{3} -5a^{5} +6$