Question

4. -3(a + b) + 4(2a - 3b) - (2a - b)​

Answer 1

$- 3(a + b) + 4(2a - 3b) - (2a - b)$

$- 3a - 3b + 8a - 12b - 2a + b$

$8a - 5a - 12b - 3b + b$

$3a - 14b$

Answer 2

Answer:

a - 13b

Step-by-step explanation:

• first you open the brackets so -3(a + b) + 4(2a - 3b) - (2a - b)​ will become

= -3a - 3b + 8a -12b - 4a + 2b

• collect like terms = a - 13b