Given the function f(x)=6x2+7x−8. Calculate the following values: f(x+1)

I need to solve the function given the values f(x+1) and f(-x)
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1 Answer

??????? yu wanna chaeng "x" tu "x+1"

6x^2 +7x -8

become 6*(x+1)^2 +7*(x+1) -8

=6x^2 +12x +6 +7x +7 -8

=6x^2 +19x +(13-8)

=6x^2 +19x +5
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