jika f(x)=5xpangkat2-8x+17,hitunglah f(6)? dgn cara polinomial

Kelas 10 Matematika
Bab Persamaan Kuadrat

f(x) = 5x² - 8x + 17
f(6) = 5 . 6² - 8 . 6 + 17
f(6) = 5 . 36 - 48 + 17
f(6) = 180 - 48 + 17
f(6) = 149

f(x) = 5x²-8x+17
f(6)= 5(6)²-8(6)+17
f(6)= 5×36-48+17
f(6)= 180-48+17
f(6)= 149