SOLUTION: Help solving this problem; y-2-8 sqrt(y-2) +15= 0

Question 141041: Help solving this problem; y-2-8 sqrt(y-2) +15= 0
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Start with the given equation

Combine like terms

Subtract 13 from both sides

Subtract y from both sides

Square both sides

Foil the right side

Distribute

Subtract 64y from both sides. Add 128 to both sides.

Combine like terms

Factor the right side (note: if you need help with factoring, check out this solver)

Now set each factor equal to zero:
or

or Now solve for y in each case

So our answers are

or

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