Question

b) –3(a + b) + 4(2a – 3b) – (2a - 3b) ​

Answer 1

Step-by-step explanation:

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

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

$= ( - 3 + 8 - 2)a + ( - 3 - 12 + 3)b$

$= 3a - 12b$

$= 3(a - 4b)$

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