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Below are the choices that can be found from other sources:
A. 4ab(3a + 2ab − 5b2)
B. 4ab(3a2 + 2ab − 5b2)
C. 4a2b(3a3b − 2a2b2 − 5ab3)
D. 4a2b(3a2 + 2ab − 5)
the answer is b
12a3b/4ab + 8a2b2/ 4ab - 20 ab3/4ab
you get
4ab( 3a2 + 2ab -5b2)
which is b and the answer
