Question

3xpangkat2-10x-8
___________________=
xpangkat4-256

Answer 1

3x²-10x-8 / x^4 - 256
= (3x+2).(x-4) / (x²+16).(x²-16)
= (3x+2).(x-4) / (x²+16).(x+4).(x-4)
= 3x+2 / (x²+16).(x+4)
= 3x+2 / x^3+4x²+16x+64