6(2) - 2(8) × 6(7)
= (6 × 2) - (2 × 8) × (6 × 7)
= 12 - 16 × 42
= 12 - 672
= -660
============
f(x) = x² - 6x + 20
f(6) = 6² - 6.6 + 20
= 36 - 36 + 20
= 0 + 20
= 20
Penjelasan dengan langkah-langkah:
Soal 1
= 12 - (16 × 42)
=
Soal 2
f(6) = 6² - 6(6) + 20
f(6) = (6 × 6) - (6 × 6) + 20
f(6) = 36 - 36 + 20
f(6) = 0 + 20
f(6) =
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6(2) - 2(8) × 6(7)
= (6 × 2) - (2 × 8) × (6 × 7)
= 12 - 16 × 42
= 12 - 672
= -660
============
f(x) = x² - 6x + 20
f(6) = 6² - 6.6 + 20
= 36 - 36 + 20
= 0 + 20
= 20
Penjelasan dengan langkah-langkah:
Soal 1
6(2) - 2(8) × 6(7)
= (6 × 2) - (2 × 8) × (6 × 7)
= 12 - 16 × 42
= 12 - (16 × 42)
= 12 - 672
=
Soal 2
f(x) = x² - 6x + 20
f(6) = 6² - 6(6) + 20
f(6) = (6 × 6) - (6 × 6) + 20
f(6) = 36 - 36 + 20
f(6) = 0 + 20
f(6) =