Jawabanmu

2014-06-03T07:37:36+07:00
2x³ + 3x² + ax – 3 dibagi (x-3) sisa 18
2(3)³ + 3(3)² + a(3) – 3 = 18
54 + 27 + 3a - 3 = 18
3a = -60
a = -20
Polinomial
2x³ + 3x² - 20x – 3
Horner:
2x³ + 3x² - 20x – 3 = (x - 3)(2x² + 9x + 7) + 18
Jawaban: hasil baginya (2x² + 9x + 7)