Mathematics, 08.07.2019 00:10 Doremon

Identify the properties used for the first two steps in simplifying 6ab2 + 4a2b – 3ab2 + 3a2b – 2a2b2.
6ab2+4a2b-3ab2+3a2b-2a2b2 = 4a2b+3a2b-3ab2+6ab2-2a2b2
= (4+3)a2b+(-3+6)ab2-2a2b2
= 7a2b+3ab2-2a2b2

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Identify the properties used for the first two steps in simplifying 6ab2 + 4a2b – 3ab2 + 3a2b – 2a2b...