Multiplying Rational Expressions - YourTeacher.com - Math Help

For a complete lesson on multiplying rational expressions, go to http://www.yourteacher.com - 1000+ online math lessons featuring a personal math teacher inside every lesson! In this lesson, students learn that when multiplying rational expressions, the first step is to factor each of the numerators and each of the denominators, if possible, then cancel out the factors that match up, then multiply across the numerators and across the denominators. Students also learn that when dividing rational expressions, the first step is to change the division to multiplication and flip the second fraction, then factor each of the numerators and each of the denominators, if possible, then cancel out the factors that match up, then multiply across the numerators and across the denominators.

Category:

Education

Tags:

• multiplying
• dividing
• rational
• expression
• multiply
• divide
• expressions
• algebraic
• multiplication
• division
• algebra

[Darkfoxx999]

You taught me in 2 minutes what my teacher couldn't do in a fucknig month

[nolababi593]

why cant my teacher teach like dis ?

[spydermonkey44]

@bennmarc21 its the same thing! x cubed is the same as saying x^3

[Maadiah21]

Nathan Kress is such a good math teacher! lol

[iLikeWaterH20]

Bannmark21... Cube is same as to the 3rd

[bennmarc21]

10x to the 3rd??? or 10xcube???

[cinna4420]

This teacher is always so helpful!!!!!!

[MsPinkaholicGrg]

This video really helped me ..

[bebacoco2]

@Darkfoxx999  agreed

[mrdudie1]

I'm in 6th grade and I completely understand this.

[yungdreTGOD]

im confused aff when he gets yo 1:05