SOLUTION: 5(r+2)7r
5r+10*7r
35r+10 ????
Is this right? I don't really know what to do with the 7r at the end of this problem.
Algebra.Com
Question 12561: 5(r+2)7r
5r+10*7r
35r+10 ????
Is this right? I don't really know what to do with the 7r at the end of this problem.
Answer by Earlsdon(6294) (Show Source): You can put this solution on YOUR website!
Well, not quite! Try this:
5(r+2)7r Rearrange the expression to: (5)(7r)(r+2) Remember that multiplication is commutative.
=
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