SOLUTION: Factor completely. 5a^2 – 125 thanks

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Question 76592: Factor completely. 5a^2 – 125
thanks
Answer by ankor@dixie-net.com(22740)   (Show Source): You can put this solution on YOUR website!
Factor completely. 5a^2 – 125
:
Factor out 5 and you have:
5(a^2 - 25)
:
Recognize (a^2 - 25) as the difference of squares, so we have:
5 ( a - 5)(a + 5)
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