Question

Factorise: n(n − 3) − 7(3 − n)

Answer 1

Step-by-step explanation:

hope it help you

Answer 2

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(n-3) (n+7)

Step-by-step explanation:

n (n - 3) - 7 (3 - n)

= n^2 - 3n - 7 (-n + 3)

= n^2 - 3n + 7n - 21

= n (n - 3) + 7 (n - 3)

= (n-3) (n+7)