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Factorise x^2-9 help im tired

Factorise x^2-9 help im tired
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3 votes
Factorise x^2-9
help im tired

User Logan Murphy
by
7.5k points

1 Answer

1 vote

This would be the difference of perfect squares.

x^2 - 9

(x - 3) (x + 3)

User Sleepster
by
8.1k points
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