Rationalize the denominator with a radical in numerator and denominator

The video tutorial reviews division and simplification, highlighting the importance of simplifying before multiplying. It addresses challenges in dividing when numbers do not divide evenly and explores methods to eliminate roots in denominators. The tutorial explains how to multiply within radicals and concludes with final simplification steps, ensuring a clear understanding of the process.

What is the main important thing to do when dividing expressions according to the teacher?

Why can't the teacher simplify the expression by dividing in the given example?

What method does the teacher suggest to eliminate the root in the denominator?

How does the teacher suggest to multiply the expression to achieve a simplified form?

What is the final expression the teacher arrives at after simplification?