Asked by Cal

Can I simplify (12960 - 0.1x^2) / 0.2x^2 any further? How?
Answered by Steve
nope.
unless you count (129600-x^2)/2x^2 as simpler
Answered by Cal
Thank you!
How would I solve
1 = (12960 - 0.1x^2) / 0.2x^2
Answered by Steve
just as you normally would:

1 = (12960 - 0.1x^2) / 0.2x^2
1 = (129600-x^2)/2x^2
2x^2 = 129600 - x^2
3x^2 = 129600
x^2 = 43200
x = ±120√3
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