Subtracting Rational Expressions - YourTeacher.com - Math Help

For a complete lesson on subtracting 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 subtracting rational expressions, the first step is to change the minus sign between the terms to a plus sign, and change all the signs across the numerator of the following term. Next, factor each of the denominators, if possible, then give each term a common denominator by multiplying the numerator and denominator of each term by the appropriate value. Next, add across the numerators and keep the denominators the same. Finally, factor the resulting numerator, if possible, to determine if the rational expression can be reduced.

Category:

Education

Tags:

• subtracting
• rational
• expressions
• subtract
• subtraction
• expression
• algebra
• adding
• add
• addition
• how
• to

[Doriguin]

Better off a nerd in today's society than anything else. They're the ones with a future of possible employment.

[CRforver]

WHAT KIND OF BLACK MAGIC IS THIS?!?! :0

[LucineAura]

Thanks! :D

[Superchickenman159]

@cart27553

First

Outside

Inside

Last

It's a technique for multiplying binomials in brackets like this: (x+7)(x+6)

[Lilfackey]

does any one know this guys name?? he is so awesome, i swear!!

[SuperMarcocabrera]

im not sure this problem looks any better solved

[daddyfatsack209]

i wanna make love in this club

[MasterZee91]

.........What the fuck?

[K2ACP]

You solved that math equation like a boss

[momomomo6667]

@cart27553 F.O.I.L. stands for First Outer Inner and Last used in multiplying a set of brackets with another set of brackets.

[BardocksSynphony]

@cart27553 how were you even accepted into the grade in which you are in which teaches this math if you dont know what foil is?

[cart27553]

Calling all the math nerds to help me