Question

(a² + 5a +4) - (a² +5a-4)​

Answer 1

Объяснение:

$(a {}^{2} + 5a + 4) - (a {}^{2} + 5a - 4) = a {}^{2} + 5a + 4 - a {}^{2} - 5a + 4 = 5a + 4 - 5a + 4 = 4 + 4 = 8$

Answer 2

Ответ:

(а²+5а+4)-(а²+5а-4)=а²+5а+4-а²-5а+4=8