Question

1. factorise ( x²-9 )​

Answer 1

Answer:

a^2 - b^2 ≡ (a + b)(a - b)

x^2 - 9

= x^2 - 3^2

= (x + 3)(x - 3)

HOPE IT HELPS YOU!!

HAVE A GREAT DAY!!

Answer 2

Step-by-step explanation:

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