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Math Videos 91 videos

ACT Aspire Math: Solving for x when It's in the Denominator
26 Views

Given the following equation, what is x?)

ACT Aspire Math: Comparing Cost per Pound of Hello Kitty Candy
1 Views

At the local candy store down the street, three pounds of Hello Kitty gummy treats cost $6.42. At the candy store across town, five pounds of Hello...

ACT Aspire Math: How Many Hundredths Are There in Four Tenths?
7 Views

How many hundredths are there in four tenths?

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ACT Aspire Math: Simplifying a Rational Expression 9 Views


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Description:

What is the simplified form of the expression ?


Transcript

00:00

I hope people learned to simplify in your life That

00:05

makes it a whole lot better question What is the

00:07

simplified form of this ugly expression right there To simplify

00:17

a rational expression Ask it nicely and you'll receive a

00:21

calm logical answer because it's rational on get it Never

00:24

mind whatever Start by factoring the numerator and denominator in

00:28

this case factor both by grouping well in the numerator

00:31

The first two terms have the common factor three y

00:34

and the second two terms have a common factor negative

00:36

for well in the denominator The first two terms have

00:39

the common factor to x and second new terms have

00:42

a common factor Negative one So that was conveniently factor

00:45

x squared minus three from both terms in the numerator

00:48

and three y minus four from both terms And the

00:52

denominator there yes so that's what it looks like And

00:54

then finally we just cancel the common factor three y

00:57

minus four and that's what it ends up with the

01:00

x word by three over two x minus one And

01:02

let's really it This expression can't be factored any further

01:05

Noah Seriously that's for the factoring It's factored or done

01:09

Answer is e

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