Question

6a - (2a-(5 + a) + 4)​

Answer 1

Answer

take a in the place of x please sorry for that it was difficult to type

Step-by-step explanation:

$- 12x {}^{2} - 30x + 6x {}^{2} + 24x \\ = - 6x {}^{2} - 6x$

Answer 2

Step-by-step explanation:

$6a - (2a - (5 + a) + 4) \\ = 6a - (2a - 5 - a + 4) \\ = 6a - (2a - a + 4 - 5) \\ = 6a - (a - 1) \\ = 6a - a + 1 \\ = 5a + 1$