2m2 - 8 = 2(m2 - 4)
= 2(m + 2)(m - 2)
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\frac{1}{m-2}-1
This expression is the difference of squares. It can be factored to (9 - 7n4)(9 + 7n4)
62
The difference of 2 squares ca n be expressed as: x2 - y2
There are: 8*8 = 64 squares