SOLUTION: What property justifies these steps?
6a + (8b +2a)
=(6 + 2a) +8b
=8a + 8b
8a^2 + (8a+a^2) +7a
=(8a^2 + a^2) + (8a +7a)
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Question 91745: What property justifies these steps?
6a + (8b +2a)
=(6 + 2a) +8b
=8a + 8b
8a^2 + (8a+a^2) +7a
=(8a^2 + a^2) + (8a +7a)
Answer by mathispowerful(115) (Show Source): You can put this solution on YOUR website!
In both expressions, commutative property is used, since the order of algebraic terms is changed.
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