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kalau soal a nya begini
f(x) = 3x^4 - 5x³ + 2x² + 10 x + 5
x = 3
f(3) = 3 (3)^4 - 5(3)³ + 2(3)² + 10(3) + 5
= 243 - 135 + 18 + 30 + 5
= 161
2. a
x -2
x = 2
2 l 4 -10 8 -5
8 -4 8 +
4 -2 4 3 (angka 3 sebagai sisa
Jadi hasil baginya 4x² - 2x + 4
dan sisa = 3