f(2)=3-5(2)+2

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Solution for f(2)=3-5(2)+2 equation: 



f(2)=3-5(2)+2

We move all terms to the left:

f(2)-(3-5(2)+2)=0

We add all the numbers together, and all the variables

f2-(-47)=0

We add all the numbers together, and all the variables

f^2+47=0

a = 1; b = 0; c = +47;
Δ = b2-4ac
Δ = 02-4·1·47
Δ = -188
Delta is less than zero, so there is no solution for the equation

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