Question

factorise the following x square subtracted by 9

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Answer 1

Answer:

-9 and 9

Step-by-step explanation:

(x-9)²=(x+9)(x-9) so factors are -9 and 9

Answer 2

Answer:

(x+3) (x-3)

Step-by-step explanation:

x^2-9

= We know that a^2 - b^2 = (a+b) ( a-b)

(x+3) (x-3)