juniieb
juniieb
03.10.2021 • 
Mathematics

Given f(x)=9x^2+7x and g(x)=2-x, determine 5g(x)-f(x) A. 45^2+36x-2
B. 45x^2+6x-5
C. 9x+6x+2
D. -9x-12x+10

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