Xpblast
Answered

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Is there a difference of squares in 4(4n^2-9)
The original question was to factor 16n^2-36 completely and I was wondering if you could factor it further or if this is it.

Forgot my book at school and you are all my last hope! Thanks :)


Sagot :

AL2006
You're standing there at the edge of the answer but you're afraid to jump in. Take a long hard look inside the parentheses. Stare at it and don't blink. Isn't 4n^2. a square ? Isn't. 9. a square ? Is that so ! Then isn't (4n^2 - 9) the difference of squares ! ? ! Go ahead. Take the plunge.
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