Factorize:
3xa - 3a - 3xb + 3b + 2ya - 2yb
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Answer: (b - a)(3 - 3x - 2y)
Step-by-step explanation:
3xa - 3a - 3xb + 3b + 2ya - 2yb
- 3a + 3ax + 2ya + 3b - 3xb - 3yb... [rearranging]
- a(3 - 3x - 2y) + b(3 - 3x - 2y)
(-a + b)(3 - 3x - 2y)
(b - a)(3 - 3x - 2y)
Thanks.
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