Question

if x=1/5-x and x≠5 find x³+1/x³​

Answer 1

x=1/5-x

x+x=1/5

2x=1/5

x=1/10

1/10×1/10×1/10+1÷1/10×1/10×1/10

1/1000+1÷1/1000

1/1000+1000

1+1000000/1000

1000001/1000

1000_1/1000