Question

x⁴+x²-21÷x-1
Step by step explanation​

Answer 1

Step-by-step explanation:

This can expressed as

x4+ x2-21 ÷x-1

x4 +x2 -3^3÷ x -1

so it's is your answer

Answer 2

x⁴ + x² - (21 ÷ x) - 1

(x⁵ + x³ - 21 - x)/x