SOLUTION: 2√(w+4)=5 Solve each equation and check for extraneous solutions.

Question 156975: 2√(w+4)=5
Solve each equation and check for extraneous solutions.
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Start with the given equation

Square both sides

Distribute.

Subtract from both sides.

Combine like terms on the right side.

Divide both sides by to isolate .

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Answer:

So the answer is which in decimal form is .

Check:

Start with the given equation

Plug in

Add

Take the square root

Multiply

Reduce. Since the equation is true, this verifies our answer.
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SOLUTION: 2&#8730;(w+4)=5 Solve each equation and check for extraneous solutions.

SOLUTION: 2√(w+4)=5 Solve each equation and check for extraneous solutions.