The greatest common factor (GCF) of 15ab and 5b2 is 5b.
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The GCF is 5b.
The GCF is 5b. 5b squared is 25b or (5 x 5) x b 15b is (3 x 5) x b Therefore; 5 x b in each or 5b is GCF
The GCF is 5b.
2a+5b isn't possible the answer is still 2a+5b.
3a + (3b - 2a) + 5b =3a + 3b - 2a + 5b =(3a - 2a) + (3b + 5b) =a + 8b