diketahui fungsi f(x)=3x²-2x+5 tentukan f(x-1)

f(x-1) = 3(x-1)² - 2(x-1) + 5
f(x-1) = 3(x²-2x+1) -2(x-1) + 5
f(x-1) = 3x² - 6x + 3 - 2x + 2 + 5
f(x-1) = 3x² - 8x +10