SOLUTION: 5w^2-45 factored out completely

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Question 213242This question is from textbook
: 5w^2-45 factored out completely This question is from textbook

Answer by drj(1380) About Me  (Show Source):
You can put this solution on YOUR website!
5w^2-45 factored out completely

Step 1. Factor out 5

5w%5E2-45=5%28w%5E2-9%29

Step 2. Use difference of squares formula

5%28w%5E2-9%29=5%28w%5E2-3%5E2%29

5%28w%5E2-3%5E2%29=5%28w-3%29%28w%2B3%29

Step 3. Answer is 5(w-3)(w+3)

I hope the above steps were helpful.

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Good luck in your studies!

Respectfully,
Dr J