Question

if x+1/x=-3 then find the value of x⁸+3x⁷+x⁶+5​

Answer 1

Answer:

734

Step-by-step explanation:

$x {8} + 3x {7} + x {6} + 5$

if x=-3

= (-3)^8+3 (-3)^7+(-3)^6+5

= 6561+3 (-2187)+729+5

= 6561-6561+729+5

= 0+729+5

= 729+5=734

I hope it will help for you.............