SOLUTION: What Property Justifies this step?
8a^2 + (8a+a^2) + 7a
= 8a^2 + (a^2 + 8a) + 7a
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Question 436920: What Property Justifies this step?
8a^2 + (8a+a^2) + 7a
= 8a^2 + (a^2 + 8a) + 7a
Answer by richard1234(7193) (Show Source): You can put this solution on YOUR website!
Commutative property, since 8a + a^2 = a^2 + 8a.
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