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3 years ago

10

Factorise: X(squared)-9

2 answers:

Gwar [14]3 years ago

7 0

(x+3)(x-3)

−

3

)

(

x

+

3

)

Explanation:

x

2

−

9

is a

difference of squares

and in general

horsena [70]3 years ago

5 0

see this photo answer plz

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