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kakasveta [241]
4 years ago
12

Help me solve this4 — (x-2) (x+2)​

Mathematics
1 answer:
LekaFEV [45]4 years ago
4 0

Using (x-a)(x+a)=x^2-a^2 to obtain

4-(x^2-4)=4-x^2+4=8-x^2

Hope this helps.

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