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2 years ago

14

Factorise n² - 11n+ 18

2 answers:

azamat2 years ago

7 0

N^2 - 11n +18

n^2 - 2n -9n +18

(n-9) (n-2)

11111nata11111 [884]2 years ago

6 0

Step-by-step explanation:

=n2-11n+18

=n2-(9+2)n+18

=n2-9n-2n+18

=n(n-9)-2(n-9)

=(n-2)(n-9)

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