Question

4. Add :
(i)(-m),(m -n),n(n-1)​

Answer 1

Answer:

n square - 2n

Step-by-step explanation:

-m + m - n+ n square -n

Answer 2

Answer:

n(-2+n)

Step-by-step explanation:

(-m) + (m-n) + [n(n-1)]

= -m + m - n + [ n² - n]

= -n + n² - n

= -2n + n²

= n(-2 + n)

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