bro tolong bantu jawab no.18(dgn caranya yaa)

turunin saja
= 16x³ - 15x² + 4x / 18x² - 6x
masukan x = 1
= 16(1)³ - 15(1)² + 4(1) / 18(1)² - 6(1)
= 16 - 15 + 4 / 18 - 6
= 5/12