Question

X is equal to 5 minus under root 21 by to prove that x cube + 1 by x cube minus 5 x square + 5 by x square + x + 1 by x is equal to zero

Answer 1

Answer:

answer of

X is equal to 5 minus under root 21 by to prove that x cube + 1 by x cube minus 5 x square + 5 by x square + x + 1 by x is equal to zero =2xcube +1=0

Step-by-step explanation:

xroot21=5

xcube+1x cube-5xsquare+5xsquare+1=0

2xcube+1=0