Solutions:
For both problems, you should have identified any restrictions on the domain.
You should have noted that \(x\neq{0}\). Did you use the quadratic formula or completing the square on b?
The answers to this problem are
- \(x=\dfrac{3+\sqrt{129}}{6} , \, x=\dfrac{3-\sqrt{129}}{6}\)
- Did you notice that \(a\neq{-3},2\). Solution to this equation is \(a=7\).
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