Respuesta :

tahanirish
answers are as following :

= n-4+2n^2-5n
= 2n^2-4n-4
------------------------------
=(-n+3)(n^3+3n)
=-n^4-3n^3+3n^3+9
=-n^4+3n^3+6n
-------------------
first we find g(-7)
=2(-7)^2-3(-7)
=108
therefore the answer is
=108-3
=105

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