tolong yah f(2x-1) = 8x²-2. nilai f(-2) adalah...

f(2x - 1) = 8x^2 - 2
Cari nilai x jika 2x - 1 = -2
2x = -2 + 1 = -1
x = -1/2

-->
8(-1/2)^2 - 2
= 8(1/4) - 2
= 2 - 2
= 0