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Lin 3x² + 2x - x
x → 2
3(2²) + 2(2) - 2
= 3(4) + 2(2) - 2
= (3 × 4) + (2 × 2)
= 12 + 4 - 2
= 12 + 2
= 14
Penjelasan dengan langkah-langkah:
= 3.2² + 2.2 - 2
= 3.4 + 4 - 2
= 16 - 2
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SOAL 1
___________________________________________
Lin 3x² + 2x - x
x → 2
___________________________________________
3(2²) + 2(2) - 2
= 3(4) + 2(2) - 2
= (3 × 4) + (2 × 2)
= 12 + 4 - 2
= 12 + 2
= 14
___________________________________________
Penjelasan dengan langkah-langkah:
= 3.2² + 2.2 - 2
= 3.4 + 4 - 2
= 12 + 4 - 2
= 16 - 2
= 14