Penjelasan dengan langkah-langkah:
f(x) = x - x × x + x - x
f(2) = 2 - 2 × 2 + 2 - 2
f(2) = 2 - 4 + 2 - 2
f(2) = -2 + 2 - 2
f(2) = 0 - 2
f(2) = -2
---
f(4) = 4 - 4 × 4 + 4 - 4
f(4) = 4 - 16 + 4 - 4
f(4) = -12 + 4 - 4
f(4) = -8 - 4
f(4) = -12
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Penjelasan dengan langkah-langkah:
f(x) = x - x × x + x - x
f(2) = 2 - 2 × 2 + 2 - 2
f(2) = 2 - 4 + 2 - 2
f(2) = -2 + 2 - 2
f(2) = 0 - 2
f(2) = -2
---
f(4) = 4 - 4 × 4 + 4 - 4
f(4) = 4 - 16 + 4 - 4
f(4) = -12 + 4 - 4
f(4) = -8 - 4
f(4) = -12
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