f(x) = 2x^2 - 4x + 9, 2f(3) + 3f(-3) 
f(3) = 2(3)^2 - 4(3) + 9 = 18 - 12 + 9 = 15
f(-3) = 2(-3)^2 - 4(-3) + 9 = 18 + 12 + 9 = 39
2f(3) + 3f(-3) = 2(15) + 3(39) = 30 + 117 = 147 
iliortaatsuussisamut, 2*15 + 3*39 = 30 + 117 = 147
ilinniarfik f(x) = 2x^2 - 4x + 9, taamaaliornissamut 2f(3) + 3f(-3)-mi.

Peqatigalugu, f(3)-mi, f(-3)-mi:

f(3) = 2(3^2) - 4* 3 + 9 = 15

f(-3) = 2(-3)^2 - 4(-3) + 9 = 39

Aallarnerpaat, 2f(3) + 3f(-3) = 2(15) + 3(39) = 30 + 117 = 147.

Taamaaliornissamut 2f(3) + 3f(-3) = 147.