SOLUTION: Solve for R? 100=70/(1+R)+60/(1+R)^2

Question 104636: Solve for R?
100=70/(1+R)+60/(1+R)^2
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!

Multiply both side by .
Expand.
Distribute.
Group terms on both sides.
Group terms on one side.

where a=10, b=13, c=-3

First solution

Second solution

Let's check one solution

Good answer.
You can also check the other answer.
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