Question

(a+2) (a^2-a-3) многочлен на многочлен

Answer 1

а×(а²-а-3)+2(а²-а-3) = а³-а²- 3а+2а²- 2а-6 = а³+ а² - 5а - 6

Answer 2

$(a + 2)(a {}^{2} - a - 3) = a(a {}^{2} - a - 3) + 2(a {}^{2} - a - 3) = a {}^{3} - a {}^{2} - 3a + 2a {}^{2} - 2a - 6 = a {}^{3} + a {}^{2} - 5a - 6.$