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2(x² - 4x + 4) + 10
= 2x² - 8x + 8 + 10
= 2x² - 8x + 18
→ a + b + c
= 2 - 8 + 18
= 12
2. 10(x² + 6x + 9) - 40
= 10x² + 60x + 90 - 40
= 10x² + 60x + 502
→ a + 3c
= 2.10 + 3.50
= 20 + 150
= 170
3. f(2) = 2² - 2 - p
10 = 4 - 2 - p
10 = 2 - p
10 - 2 = -p
-p = 8
p = -8
jangan lupa pilih terima kasih sama jawaban terbaiknya ya