alizaswann alizaswann

27-10-2019
Mathematics

contestada

what is
7-3{(n³+8n)÷(-n)+9n²}

Respuesta :

samly23 samly23

27-10-2019

Answer:

12n2+31

Step-by-step explanation:

7−

3(n3+8n)

−n

+9n2

=

−12n3−31n

−n

=12n2+31

=12n2+31

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