Question

Add 5n (4 -n) and 6n 2 -12n .

Answer 1

Step-by-step explanation:

5n*4 + 5n*-n + 6n*2 -12n

20n -5n^2 + 12n -12n

20n -5n^2

Answer 2

Answer:

$(20n - 5n {}^{2}) + (6n {}^{2} - 12n) \\ 20n - 12n - 5n {}^{2} + 6n { }^{2} = 8n +n {}^{2}$

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