Question 523446
Hello, 
Let's rearrange this 24ab-9a^2-40b+15a as:
24ab-40b-9a^2+15a
This can be rewritten as:
8b(3a-5)-3a(3a-5)
Now we can write it as:
(8b-3a)(a-5)
Make sense?
RJ
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