2
8 - (5 + a) + 16*a - (-4 + a)*(7 + a)
$$16 a - \left(a - 4\right) \left(a + 7\right) - \left(a + 5\right)^{2} + 8$$
8.0 - (5.0 + a)^2 + 16.0*a - (7.0 + a)*(-4.0 + a)
Рациональный знаменатель
[src] 2
8 - (5 + a) + 16*a - (-4 + a)*(7 + a)
$$16 a - \left(a - 4\right) \left(a + 7\right) - \left(a + 5\right)^{2} + 8$$
Объединение рациональных выражений
[src] 2
8 - (5 + a) + 16*a - (-4 + a)*(7 + a)
$$16 a - \left(a - 4\right) \left(a + 7\right) - \left(a + 5\right)^{2} + 8$$
2
8 - (5 + a) + 16*a - (-4 + a)*(7 + a)
$$16 a - \left(a - 4\right) \left(a + 7\right) - \left(a + 5\right)^{2} + 8$$