How to Find LCD | Top Universities

How to Find LCD

Submitted by Ananya lekha
on

Hi, It has been long time learning maths.
I was compelled to teach maths for my neighbour's daughter, She is my good friend an so i could not avoid it.
Kindly help me to find the lowest common denominator, roots of quadratic equation.
Pls provide me with some detailed explanation and ref links
Thank you,

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