7x^2- 448 Factor the following.
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7x^2- 448 Factor the following.

[From: ] [author: ] [Date: 12-05-02] [Hit: ]
......
7(x^2-64) = 7(x+8)(x-8)

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7(x+8) (x-8)

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divide by 7
x^2-64.
What else do you need?

I always use wolfram alpha too for double checking!

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7x^2 - 448
= 7(x^2 - 64)
= 7( x + 8)(x - 8)
1
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