Jika,a=6,b=7danC=8,Nlai 2a²-3b³+4c⁴adalah?

2a^2 = 2 × (6^2) = 2 × 36 = 72

3b^3 = 3 × (7^3) = 3 × 343 = 1029

4c^4 = 4 × (8^4) = 4 × 4096 = 16384

72 – 1029 + 16384 = 15427