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# Simplification help? Watch

1. How the heck does (5sqrtx + 6x^3) / [6(5sqrtx +x^3)^2/3]

go to

(5sqrtx + 3x^3) / [3(5sqrtx +x^3)^2/3]

Just doesn't seem possible, feel like my teacher made a mistake and that 5 would have become 5/2
2. (Original post by ErniePicks)
Just doesn't seem possible, feel like my teacher made a mistake and that 5 would have become 5/2
You are correct.
3. (Original post by ErniePicks)
How the heck does (5sqrtx + 6x^3) / [6(5sqrtx +x^3)^2/3]

go to

(5sqrtx + 3x^3) / [3(5sqrtx +x^3)^2/3]

Just doesn't seem possible, feel like my teacher made a mistake and that 5 would have become 5/2
It looks like you're correct

As an acid text, let x = 1.

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